If thou sustain injustice, console thyself; the true unhappiness is in doing it

Everything existing in the universe is the fruit of chance and necessity.

Many much-learned men have no intelligence.

No power and no treasure can outweigh the extension of our knowledge.

Nothing exists except atoms and empty space; everything else is opinion.

Everywhere man blames nature and fate, yet his fate is mostly but the echo of his character and passions, his mistakes and weaknesses.

To a wise and good man the whole earth is his fatherland.

Do not trust all men, but trust men of worth; the former course is silly, the latter a mark of prudence.

If your desires are not great, a little will seem much to you; for small appetite makes poverty equivalent to wealth.

[I would] rather discover one cause than gain the kingdom of Persia.

Good means not merely not to do wrong, but rather not to desire to do wrong.