He invites the commission of a crime who does not forbid it, when it is in his power to do so.

Virtue depends partly upon training and partly upon practice; you must learn first, and then strengthen your learning by actions.

Successful crime is dignified with the name of virtue; the good become the slaves of the wicked; might makes right; fear silences the power of the law.

We must take care to live not merely a long life, but a full one; for living a long life requires only good fortune, but living a full life requires character. Long is the life that is fully lived; it is fulfilled only when the mind supplies its own good qualities and empowers itself from within.

The abundance of books is distraction

While we teach, we learn.

Fate leads the willing, and drags along the reluctant.