But when you are looking on anyone as a friend when you do not trust him as you trust yourself, you are making a grave mistake, and have failed to grasp sufficiently the full force of true friendship.

One crime has to be concealed by another.

Expediency often silences justice.

Who needs forgiveness, should the same extend with readiness.

There is no easy way from the earth to the stars.

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.

You should rather suppose that those are involved in worthwhile duties who wish to have daily as their closest friends Zeno, Pythagoras, Democritus and all the other high priests of liberal studies, and Aristotle and Theophrastus. None of these will be too busy to see you, none of these will not send his visitor away happier and more devoted to himself, none of these will allow anyone to depart empty-handed. They are at home to all mortals by night and by day.