Light, air, sound. In every space, it's how you embrace those things.

Do not worry about your difficulties in Mathematics. I can assure you mine are still greater.

Only a changed person can live according to the law.

It is be­cause freedom means the renun­ciation of direct control of individual efforts that a free society can make use of so much more knowledge than the mind of the wisest ruler could comprehend.

Trying to keep up appearances is a signal of decay on the inside. Beware shallow living—in yourself and in others. It is only in the depths that life can thrive.

I hold it that a little rebellion now and then is a good thing and as necessary in the political world as storms in the physical.

I may be president of the United States, but my private life is nobody's damned business.

The sacrifice of personal existence is necessary to secure the preservation of the species.

Disunity costs votes.

True generosity is a duty as indispensably necessary as those imposed on us by law.

Being charismatic doesn't make you a leader. Being a leader makes you charismatic.