“Thus our duties to animals are indirectly duties to humanity.”

— Immanuel Kant, Lectures on Ethics, trans. Peter Heath, 1997

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.”

“Let whatever appears to be the best be to you an inviolable law.”

“Lord, what fools these mortals be!”

“All that glisters is not gold.”

“Uneasy lies the head that wears a crown.”

“And one man in his time plays many parts.”

“Give every man thy ear, but few thy voice.”