Piotr Sieradz

“Doubt is the origin of wisdom”
― Rene Descartes

“I know what I mean by the term I and myself; and I know this immediately, or intuitively, though I do not perceive it as I perceive a triangle, a colour, or a sound.”
― George Berkeley, Three Dialogues Between Hylas and Philonous

“And thus, the actions of life often not allowing any delay, it is a truth very certain that, when it is not in our power to determine the most true opinions we ought to follow the most probable.”
― Rene Descartes, Discourse on Method

“Conquer yourself rather than the world.”
― René Descartes