Why this theme matters
To ask about the self is to ask what persists through experience, what can be known from the first-person point of view, and how character is formed. Some traditions treat the self as a substantial soul; others as a stream of experience, a social role, or a practical center of agency.
In the history of philosophy
Greek care of the soul, Confucian self-cultivation, Buddhist critiques of a permanent ego, Cartesian meditation, and existential accounts of authenticity all leave traces in the quotations collected here.
Thinkers in this collection
Aristotle , Heraclitus , Seneca , Michel de Montaigne , René Descartes , Arthur Schopenhauer , Friedrich Nietzsche , Søren Kierkegaard
Frequently asked questions
What is the self in philosophy?
It is the question of who or what a person is across time: a soul, a mind, a body, a narrative, a social position, or some combination of these.
Why do philosophers talk about the examined life?
Because unexamined habits still guide action. Socrates’ line that the unexamined life is not worth living (Plato, Apology 38a) remains the classic prompt—see the archive entry for the exact wording and source.
Where can I find philosophy quotes about the self?
This theme page gathers verified English quotations on identity, introspection, and the examined life from multiple traditions.