Man's Place in Nature.

The great tragedy of science - the slaying of a beautiful hypothesis by an ugly fact.

Only one absolute certainty is possible to man, namely that at any given moment the feeling which he has exists.

The Bible has been the Magna Charta of the poor and of the oppressed.

If a little knowledge is dangerous, where is the man who has so much as to be out of danger?

It is not who is right, but what is right, that is of importance.

Thoughtfulness for others, generosity, modesty, and self-respect are the qualities which make a real gentleman or lady.

God give me strength to face a fact though it slay me.

Life is too short to occupy oneself with the slaying of the slain more than once.

The secret of genius is to carry the spirit of childhood into maturity.

Make up your mind to act decidedly and take the consequences. No good is ever done in this world by hesitation.

There are three characteristics of wisdom: knowledge, experience and patience.

I've never dated anyone in Hollywood - or anyone famous, for that matter. I don't know that I'm ever gonna write a song that you will know who it's about.

We have the world's best military, even though he (President Barack Obama) has done everything he can to diminish it.

The more you do for others without expectation of return, the more you'll get back from the most unexpected sources.

If I was a politician right now I would change just about everything.

Some one has said of a fine and honorable old age, that it was the childhood of immortality.

In all experience, there is something to be learned. In deepest sorrow, wisdom is found. In the well of despair, hope rises.

I think that every new record is a chance to... I think what it is for me is my heart and soul at that moment in time... I've always felt that just being able to make a record is a privilege.

All comes out even at the end of the day.