Not life, but good life, is to be chiefly valued.
Socrates

The unexamined life is not worth living.
Socrates

True wisdom comes to each of us when we realize how little we understand about life, ourselves, and the world around us.
Socrates

The end of life is to be like God, and the soul following God will be like Him.
Socrates

Beware the barrenness of a busy life.
Socrates

I swear, by my life and my love of it, that I will never live for the sake of another man, nor ask another man to live for mine.
Ayn Rand

Achievement of your happiness is the only moral purpose of your life, and that happiness, not pain or mindless self-indulgence, is the proof of your moral integrity, since it is the proof and the result of your loyalty to the achievement of your values.
Ayn Rand

Achieving life is not the equivalent of avoiding death.
Ayn Rand

Run for your life from any man who tells you that money is evil. That sentence is the leper's bell of an approaching looter.
Ayn Rand

Change is the law of life. And those who look only to the past or present are certain to miss the future.
John F. Kennedy

For time and the world do not stand still. Change is the law of life. And those who look only to the past or the present are certain to miss the future.
John F. Kennedy

The world is very different now. For man holds in his mortal hands the power to abolish all forms of human poverty, and all forms of human life.
John F. Kennedy

A nation which has forgotten the quality of courage which in the past has been brought to public life is not as likely to insist upon or regard that quality in its chosen leaders today - and in fact we have forgotten.
John F. Kennedy

The courage of life is often a less dramatic spectacle than the courage of a final moment; but it is no less a magnificent mixture of triumph and tragedy.
John F. Kennedy

If anyone is crazy enough to want to kill a president of the United States, he can do it. All he must be prepared to do is give his life for the president's.
John F. Kennedy

Once you say you're going to settle for second, that's what happens to you in life.
John F. Kennedy

I am sorry to say that there is too much point to the wisecrack that life is extinct on other planets because their scientists were more advanced than ours.
John F. Kennedy

There is always inequality in life. Some men are killed in a war and some men are wounded and some men never leave the country. Life is unfair.
John F. Kennedy

Far and away the best prize that life has to offer is the chance to work hard at work worth doing.
Theodore Roosevelt

The things that will destroy America are prosperity-at-any-price, peace-at-any-price, safety-first instead of duty-first, the love of soft living, and the get-rich-quick theory of life.
Theodore Roosevelt