Space and time are the framework within which the mind is constrained to construct its experience of reality.

Sincerity is the indispensable ground of all conscientiousness, and by consequence of all heartfelt religion.

The enjoyment of power inevitably corrupts the judgment of reason, and perverts its liberty.

Act so as to use humanity, yourself and others, always as an end and never as a means to an end.

Look closely. The beautiful may be small.

If we knew that god exists, such knowledge would make morality impossible. For, if we acted morally from fear or fright, or confident of a reward, then this would not be moral. It would be enlightened selfishness.

Give me matter, and I will construct a world out of it!