Experience: that most brutal of teachers. But you learn, my God do you learn.

Experience: that most brutal of teachers. But you learn, my God do you learn.

A man's errors are his portals of discovery.

A man's errors are his portals of discovery.

An optimist is a guy that has never had much experience.

An optimist is a guy that has never had much experience.

Deep experience is never peaceful.

Deep experience is never peaceful.

I have but one lamp by which my feet are guided; and that is the lamp of experience. I know read more

I have but one lamp by which my feet are guided; and that is the lamp of experience. I know of no way of judging the future but by the past.

If history repeats itself, and the unexpected always happens, how incapable must Man be of learning from experience!

If history repeats itself, and the unexpected always happens, how incapable must Man be of learning from experience!

Life must be understood backwards. But it must be lived forward.

Life must be understood backwards. But it must be lived forward.

Few people even scratch the surface, much less exhaust the contemplation of their own experience.

Few people even scratch the surface, much less exhaust the contemplation of their own experience.

Experience is a hard teacher because she gives the test first, the lesson afterwards.

Experience is a hard teacher because she gives the test first, the lesson afterwards.