The foundations which we would dig about and find are within us, like the kingdom of heaven, rather than without.

The extremes of vice and virtue are alike detestable, and absolute virtue is as sure to kill a man as absolute vice is.

You cannot have a thing "matter" by itself which shall have no motion in it, nor yet a thing "motion" by itself which shall exist apart from matter; you must have both or neither. You can have matter moving much, or little, and in all conceivable ways; but you cannot have matter without any motion more than you can have motion without any matter that is moving.

Any fool can tell the truth, but it requires a man of some sense to know how to lie well.

History is a bucket of ashes.

Friends are like money, easier made than kept.

Inspiration is never genuine if it is known as inspiration at the time. True inspiration always steals on a person; its importance not being fully recognized for some time.