The First Steps Toward the Mystery of Existence: The Wisdom Journey of Ancient Greece
The human endeavor to know oneself and to question one’s relationship with the universe begins with the birth of philosophy. Ancient Greek philosophers posed the question of “being” as they sought to uncover the purpose, essence, and place of humanity in the cosmos. Socrates’ counsel to “know thyself” forms one of the earliest foundations of this exploration. For Socrates, the wise person is one who knows themselves, questions their limits, and explores the depths of their existence. To be is to ignite this internal journey. According to him, humans can only truly be when they know themselves; being is the work of a consciousness that perceives its own existence.
Aristotle, in his quest to understand the essence of existence and the universe, introduces the concept of a “first cause.” Behind everything lies a primary reason to which humanity constantly seeks to return. This perspective reveals being as more than a mere physical presence, but rather a process with purpose. The inquiring philosophy of Ancient Greece shows that being is not an accident but a deliberate search for meaning.

Existence from a Divine Source: The Theological Thought of the Middle Ages
Medieval thought frames existence through the lens of God’s design and will. During this period, human existence is viewed as a reflection of God. Thinkers like Saint Augustine and Thomas Aquinas argue that humans find their essence by following the path of God. This perspective suggests that as long as humans exist, God’s plan continues, and human existence gains meaning within this divine plan.
Thomas Aquinas defines existence as “actus essendi,” or the “act of being,” seeing humanity as a manifestation of God. Existence is not only a physical reality but also a sacred reflection. Medieval thought has the individual ask, “Why am I here?” and looks to the divine plan for the answer. For Medieval thought, each person’s existence is a reflection of God’s sacred touch.
The Power of Thought: Descartes’ “I Think, Therefore I Am”
With the Renaissance, philosophy evolved to highlight the power of the individual. Descartes’ famous statement “Cogito, ergo sum,” or “I think, therefore I am,” associates human existence with the capacity for thought. For Descartes, to exist is to act; existence is a mental process, a self-defining power of the individual.
In Descartes’ concept, being is approached as a mental process. Even if the world is an illusion, the capacity to think serves as the strongest evidence of human existence. Descartes’ reasoning shows that the individual can define their existence independently of external forces, embracing a more autonomous sense of being.

The Self-Made Human: Sartre’s Condemned-to-Freedom Individual
The 20th-century philosophy of existentialism believes that a person defines their existence through their own choices. Jean-Paul Sartre’s assertion that “Man is condemned to be free” suggests that the individual shapes their fate with freedom. To be, therefore, is not simply “to be present” but to embark on a journey of self-creation, with each choice forming the self.
For Sartre, humans are free beings, and this freedom makes them who they are. It is a freedom that allows one to take responsibility and create their own essence. The individual who creates their destiny makes choices that shape their existence. Sartre’s concept of freedom emphasizes that being is not merely a physical reality but something that is crafted with internal freedom.
Unity with the World: Heidegger’s Concept of “Dasein”
Heidegger examines existence by questioning humanity’s relationship with the world. According to him, humans are not just “there” but exist within a meaningful unity with the world. Heidegger’s concept of “Dasein” suggests that human existence and the world are in harmony; as humans give meaning to the world, they simultaneously give meaning to themselves.
“Dasein” represents humanity’s existential awareness. Heidegger believes that as long as humans exist, so too does the world, and as the world exists, it provides meaning to human existence. This intrinsic harmony allows people to redefine themselves and their surroundings at every moment. Being, in Heidegger’s view, is the deep connection people establish with the world and the self-redefinition that results.
The Poetic Depth of Existence: Finding Oneself through Art and Literature
The meaning of existence is not only a mental inquiry but also an emotional experience. Poets, artists, and writers use words and images to delve deeper into existence. Rainer Maria Rilke’s verses illustrate the indescribable beauty of “being”:
Do not lose yourself in dreams, within the dark shadow of your being,
And know that every moment you return to yourself,
As your being flies free from its borders.
The poetic expression of existence reflects the emotional fluctuations people experience in their journey of self-discovery. Through the language of art and literature, this exploration reveals existence as an emotion, a transformation, and a process of discovery. Poets enable us to hear the inner voice of existence and give it shape.
Being in the Modern World: Digital Identity and Social Awareness
The contemporary world has made existence more complex and multi-dimensional. Digitization, globalization, and rapidly shifting social dynamics force us to re-evaluate the meaning of existence. Today, being is not just a physical presence but also a trace left in the digital world; individuals sustain their existence through their virtual identities and social connections. This new mode of existence represents the individual’s effort to recreate their identity in a digital space.
Modern philosophers like Jacques Derrida propose that existence is a reality continuously rebuilt. Derrida believes that being is not only a personal identity but also a social, digital, and virtual construct. His statement that “To be is to search continually for new meaning” underscores the process of continuous self-redefinition.
From Essence to Infinity: Being and the Infinite Quest
Being is not just to exist in a moment but to continuously recreate oneself. In the journey of existence, every person discovers their essence through their thoughts, emotions, and choices. As Sartre said, “Man is condemned to exist alone.” This condemnation is a journey filled with freedom and responsibility, and each moment provides an opportunity to discover something new.
This journey is like a door opening to an unknown depth; when each person opens that door, they reach their truth, they find meaning in their existence. To be is to express inner freedom and transformation; each individual, as the hero of their own story, continues on this path of discovery.
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