Philosophy is true mother of the arts [of science].
For the laws are dumb in the midst of arms.
Hunger is the best sauce.
Nature has planted in our minds an insatiable longing to see the truth.
The name of peace is sweet, and the thing itself is beneficial, but there is a great difference between peace and servitude. Peace is freedom in tranquillity, servitude is the worst of all evils, to be resisted not only by war, but even by death.
The function of wisdom is to discriminate between good and evil.