To make anything a habit, do it; to not make it a habit, do not do it; to unmake a habit, do something else in place of it.

What is it to be a philosopher? Is it not to be prepared against events?

If we are not stupid or insincere when we say that the good or ill of man lies within his own will, and that all beside is nothing to us, why are we still troubled?

Appear to know only this--never to fail nor fall.

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

The people have a right to the truth as they have a right to life, liberty and the pursuit of happiness.

There is only one thing for which God has sent me into the world, and that is to develop every kind of virtue or strength, and there is nothing in all the world that I cannot use for this purpose.