Life is like playing a violin solo in public and learning the instrument as one goes on.
Samuel Butler

Life is the art of drawing without an eraser.
John W. Gardner

Life must be understood backwards; but... it must be lived forward.
Soren Kierkegaard

Nothing is a waste of time if you use the experience wisely.
Auguste Rodin

The only source of knowledge is experience.
Albert Einstein

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

There is nothing so easy to learn as experience and nothing so hard to apply.
Josh Billings

What one has not experienced, one will never understand in print.
Isadora Duncan