Rene Descartes

“Cogito ergo sum. I think, therefore I am.”

Friedrich Nietzsche

“Once spirit was God, then it became man, and now it is even becoming mob.”

Confucius

“You cannot open a book without learning something.”

Theodor Adorno

“Advice to intellectuals: let no – one represent you.”

Aristotle

“All men, by nature, desire to know.”