- He who has overcome his fears will truly be free.
- Misfortune shows those who are not really friends.
- Pleasure in the job puts perfection in the work.
- A friend to all is a friend to none.
- Well begun is half done.
- To be conscious that we are perceiving or thinking is to be conscious of our own existence.
- It is the mark of an educated mind to be able to entertain a thought without accepting it.
- Without friends no one would choose to live, though he had all other goods.
- Happiness depends upon ourselves.
- Evils draw men together.
- The only stable state is the one in which all men are equal before the law.
- We are what we repeatedly do. Excellence then, is not an act, but a habit.
- A flatterer is a friend who is your inferior, or pretends to be so.
- Thus every action must be due to one or other of seven causes: chance, nature, compulsion, habit, reasoning, anger, or appetite.
- It is absurd to hold that a man ought to be ashamed of being unable to defend himself with his limbs but not of being unable to defend himself with speech and reason, when the use of reason is more distinctive of a human being than the use of his limbs.