Three things tell a man: his eyes, his friends and his favorite quotes

Upon the solution of this problem, or upon sufficient proof of the impossibility of synthetical knowledge a priori, depends the existence or downfall of metaphysics.

Maximum individuality within maximum community

We ourselves introduce that order and regularity in the appearance which we entitle "nature". We could never find them in appearances had we not ourselves, by the nature of our own mind, originally set them there.

If justice perishes, human life on Earth has lost its meaning.

Every human being should always be treated as an end and never as a mere instrument.

Man must be disciplined, for he is by nature raw and wild.