The happiness of a man in this life does not consist in the absence but in the mastery of his passions.

Nature is a mutable cloud which is always and never the same.

Words are the most powerful tool a leader has.

Ask not what your country can do for you ask what you can do for your country.

Self-esteem comes from being able to define the world in your own terms and refusing to abide by the judgments of others.

Any kind of crisis can be good. It wakes you up.

I have been one acquainted with the night.