Men are disturbed not by the things that happen, but by their opinion of the things that happen.

At this time is freedom anything but the right to live as we wish? Nothing else.

Happiness and freedom begin with a clear understanding of one principle: Some things are within our control, and some things are not.

Difficulty shows what men are. Therefore when a difficulty falls upon you, remember that God, like a trainer of wrestlers, has matched you with a rough young man. Why? So that you may become an Olympic conqueror; but it is not accomplished without sweat.

When men are unhappy, they do not imagine they can ever cease to be so; and when some calamity has fallen on them, they do not see how they can get rid of it. Nevertheless, both arrive; and the gods have ordered it so, in the end men seek it from the gods

Never look for your work in one place and your progress in another.

Whatever you would make habitual, practice it; and if you would not make a thing habitual, do not practice it, but accustom yourself to something else.