A feeling of sadness and longing, That is not akin to pain.

The growth of the mind is the widening of the range of consciousness, and . . . each step forward has been a most painful and laborious achievement.

Pain is temporary. It may last a minute, or an hour, or a day, or a year, but eventually it will subside and something else will take its place. If I quit, however, it lasts forever.

The wise man accepts his pain, endures it, but does not add to it.

We must all suffer from one of two pains: the pain of discipline or the pain of regret. The difference is discipline weighs ounces while regret weighs tons.

My pain may be the reason for somebody’s laugh. But my laugh must never be the reason for somebody’s pain.

Pain is certain, suffering is optional.

Oh! poverty is a weary thing, 'tis full of grief and pain; it keepeth down the soul of man, as with an iron chain.

The secret of success is learning how to use pain and pleasure instead of having pain and pleasure use you. If you do that, you're in control of your life. If you don't, life controls you.