Things which are accidentally the causes either of hope or fear are called good or evil omens.

The virtue of a free man appears equally great in refusing to face difficulties as in overcoming them.

Nature is satisfied with little; and if she is, I am also.

Men will find that they can ... avoid far more easily the perils which beset them on all sides by united action.

The highest activity a human being can attain is learning for understanding, because to understand is to be free.

Nothing comes to pass in nature, which can be set down to a flaw therein; for nature is always the same, and everywhere one and the same in her efficacy and power of action: that is, nature's laws and ordinances, whereby all things come to pass and change from one form to another, are everywhere and always the same; so that there should be one and the same method of understanding the nature of all things whatsoever, namely, through nature's universal laws and rules.

What Paul says about Peter tells us more about Paul than about Peter.