Science is the knowledge of consequences, and dependence of one fact upon another.

Words are the counters of wise men, but the money of fools.

A Covenant not to defend myself from force, by force, is always void. For... no man can transfer or lay down his Right to save himself from Death.

For WAR, consisteth not in Battle only, or the act of fighting; but in a tract of time, wherein the Will to content by Battle is sufficiently known.... So the nature of War, consisteth not in actual fighting; but in the known disposition thereto, during all the time there is no assurance to the contrary. All other time is PEACE.

The secret thoughts of a man run over all things, holy, profane, clean, obscene, grave, and light, without shame or blame.

To understand this for sense it is not required that a man should be a geometrician or a logician, but that he should be mad.

The original of all great and lasting societies consisted not in the mutual good will men had toward each other, but in the mutual fear they had of each other.