Quality is not an act, it is a habit.

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

What you do today can improve all your tomorrows.

If you're going through hell, keep going.

Things do not happen. Things are made to happen.

I can, therefore I am.

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

It's always too early to quit.

Know or listen to those who know.