Only a life lived for others is a life worthwhile. (Albert Einstein)

How we spend our days is, of course, how we spend our lives. (Annie Dillard)

If you will just start with the idea that this is a hard world, it will all be much simpler. (Louis D. Brandeis)

To live is the rarest thing in the world. Most people exist, that is all. (Oscar Wilde)

Life becomes harder for us when we live for others, but it also becomes richer and happier. (Albert Schweitzer)

Do not take life too seriously. You will never get out of it alive. (Elbert Hubbard)

What do we live for, if it is not to make life less difficult for each other? (George Eliot)

The great art of life is sensation, to feel that we exist, even in pain. (Lord Byron)

If you can spend a perfectly useless afternoon in a perfectly useless manner, you have learned how to live. (Lin Yutang)

A useless life is an early death. (Goethe)

Life's not always fair. Sometimes you can get a splinter even sliding down a rainbow. (Cherralea Morgen)

Be glad of life because it gives you the chance to love, to work, to play, and to look up at the stars. (Henry Van Dyke)

Nothing in life is to be feared. It is only to be understood. (Marie Curie)

There was never yet an uninteresting life. Such a thing is an impossibility. Inside of the dullest exterior there is a drama, a comedy and a tragedy. (Mark Twain)

Life can be found only in the present moment. The past is gone, the future is not yet here, and if we do not go back to ourselves in the present moment, we cannot be in touch with life. (Thich Nhat Hanh)