"Out of the crooked timber of humanity, no straight thing was ever made."

"The highest principle of morality is therefore: Act according to a maxim which can at the same time be valid as a universal law."

"The Jews still cannot claim any true genius, any truly great man."

"The only thing that is good without qualification is a good will."

"All political theories, if they are to be consistent, must proceed from the principle that man is a free and rational being."