The only source of knowledge is experience.
Albert Einstein

Experience is simply the name we give our mistakes.
Oscar Wilde

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

People grow through experience if they meet life honestly and courageously. This is how character is built.
Eleanor Roosevelt

We choose our joys and sorrows long before we experience them.
Khalil Gibran

Man learns through experience, and the spiritual path is full of different kinds of experiences. He will encounter many difficulties and obstacles, and they are the very experiences he needs to encourage and complete the cleansing process.
Sai Baba

A mind that is stretched by a new experience can never go back to its old dimensions.
Oliver Wendell Holmes, Jr.

We are not human beings having a spiritual experience. We are spiritual beings having a human experience.
Pierre Teilhard de Chardin

Is there anyone so wise as to learn by the experience of others?
Voltaire

The years teach much which the days never know.
Ralph Waldo Emerson