Quality is not an act, it is a habit.

To know oneself, one should assert oneself.

Be thine own palace, or the world's thy jail.

Well done is better than well said.

Things do not happen. Things are made to happen.

If you're going through hell, keep going.

The wise does at once what the fool does at last.

I can, therefore I am.

If you think you can do it, you can.