Life's unfairness is not irrevocable; we can help balance the scales for others, if not always for ourselves.
--Hubert Humphrey

Adversity introduces a man to himself.
-- Unknown

Life is 10% what happens to you, and 90% how you respond to it.
--Unknown

There has been much tragedy in my life; at least half of it actually happened.
-- Mark Twain

Suffering has been stronger than all other teaching, and has taught me to understand what your heart used to be. I have been bent and broken, but - I hope into a better shape.
-- Charles Dickens

Most people are far more prone to let the bad experiences shape their views than the good ones.
-- Rick Joyner

The only cure for grief is action.
-- George Henry Lewes

The capacity to give one's attention to a sufferer is a very rare and difficult thing; it is almost a miracle; it is a miracle.
-- Simone Weil

Strange how people who suffer together have stronger connections than those who are most content.
-- Bob Dylan

Dreams and anguish bring us together.
-- Eugene Ionesco

Pain is never permanent.
--Teresa of Avila

I haven't looked at these quotes in a long time, five years to be exact. Wow, time flies; but these quotes are really awesome!

I'd have to say... this one is my favorite of that bunch:

Adversity introduces a man to himself.
-- Unknown