Life is like riding a bicycle. To keep your balance you must keep moving.

Albert Einstein

Believe that life is worth living and your belief will help create the fact.

William James

Life is half spent before we know what it is.

George Herbert

Life can only be understood backwards; but it must be lived forwards.

Soren Kierkegaard

There are only two ways to live your life. One is as though nothing is a miracle. The other is as though everything is a miracle.

Albert Einstein