“It is precisely in knowing its limits that philosophy consists.”

— Immanuel Kant, Critique of Pure Reason, 1781; 1787

About Immanuel Kant

1724 – 1804

German philosopher of the Enlightenment, author of the "Critique of Pure Reason".

“Have courage to use your own understanding!”

“Morality is not properly the doctrine of how we may make ourselves happy, but how we may make ourselves worthy of happiness.”

“Thoughts without content are empty, intuitions without concepts are blind.”

“Lord, what fools these mortals be!”

“Remember that all is opinion.”

“What is a weed? A plant whose virtues have yet to be discovered.”

“Beauty is the mark God sets upon virtue.”

“Truth also has its roof, and bed, and board.”

“Heartily know, when half-gods go, the gods arrive.”