The lessons of the past are ignored and obliterated in a contemporary antagonism known as the generation gap.

Never throughout history has a man who lived a life of ease left a name worth remembering.

Every morning we are born again. What we do today is what matters most.

Short as life is, we make it still shorter by the careless waste of time.

The pleasure of the moment begins to wither almost as soon as it blossoms; our pleasures are soon swallowed up in time's relentless torrent.

It is not the length of life, but the depth.

It is not the strongest of the species that survives, nor the most intelligent that survives. It is the one that is the most adaptable to change.

I am not young enough to know everything.

I am an American; free born and free bred, where I acknowledge no man as my superior, except for his own worth, or as my inferior, except for his own demerit.

There are two things a person should never be angry at, what they can help, and what they cannot.

Being ignorant is not so much a shame, as being unwilling to learn.

Don't be concerned others not appreciating you. Be concerned about your not appreciating others.

In every tragedy, an element of comedy is preserved. Comedy is just tragedy reversed.

Most people are other people. Their thoughts are someone else's opinions, their lives a mimicry, their passions a quotation.

To cherish what remains of the Earth and to foster its renewal is our only legitimate hope of survival.

We must all obey the great law of change. It is the most powerful law of nature.

The man who has no sense of history, is like a man who has no ears or eyes

The image is one thing and the human being is another...It's very hard to live up to an image, put it that way.

Some days you're the bug, some days you're the windshield.

I was born with an enormous need for affection, and a terrible need to give it.

Life is a succession of lessons which must be lived to be understood.