Things which we see are not by themselves what we see ... It remains completely unknown to us what the objects may be by themselves and apart from the receptivity of our senses. We know nothing but our manner of perceiving them.

Religion is the recognition of all our duties as divine commands.

[Aristotle formal logic thus far (1787)] has not been able to advance a single step, and hence is to all appearances closed and completed.

Do the right thing because it is right.

I am an investigator by inclination. I feel a great thirst for knowledge.

Happiness, though an indefinite concept, is the goal of all rational beings

Always treat people as ends in themselves, never as means to an end.