I would live to study, not study to live.

The natures and dispositions of men are, not without truth, distinguished from the predominance of the planets.

The greatest trust between man and man is the trust of giving counsel.

What is truth? said jesting Pilate; and would not stay for an answer.

God has placed no limits to the exercise of the intellect he has given us, on this side of the grave.

Let every student of nature take this as his rule, that whatever the mind seizes upon with particular satisfaction is to be held in suspicion.

Write down the thoughts of the moment. Those that come unsought for are commonly the most valuable.