Again men have been kept back as by a kind of enchantment from progress in science by reverence for antiquity, by the authority of men counted great in philosophy, and then by general consent.

Lies are sufficient to breed opinion, and opinion brings on substance.

My praise shall be dedicated to the mind itself. The mind is the man, and the knowledge is the mind. A man is but what he knoweth. The mind is but an accident to knowledge, for knowledge is the double of that which is.

If vices were profitable, the virtuous man would be the sinner.

Next to religion, let your care be to promote justice.

Ask counsel of both timesof the ancient time what is best, and of the latter time what is fittest.

Great changes are easier than small ones.