I can, therefore I am.

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

Quality is not an act, it is a habit.

Things do not happen. Things are made to happen.

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

To know oneself, one should assert oneself.

The secret of getting ahead is getting started.

Problems are not stop signs, they are guidelines.

If you're going through hell, keep going.