To give pain is the tyranny; to make happy, the true empire of beauty.

All progress is based upon a universal innate desire on the part of every organism to live beyond its income.

Half the vices which the world condemns most loudly have seeds of good in them and require moderate use rather than total abstinence.

The best liar is he who makes the smallest amount of lying go the longest way.

If we attend continually and promptly to the little that we can do, we shall ere long be surprised to find how little remains that we cannot do.

If you follow reason far enough it always leads to conclusions that are contrary to reason.

Man is the only animal that laughs and has a state legislature.