The worst prison would be a closed heart.

Any man can make mistakes, but only an idiot persists in his error.

One of the most common causes of failure is the habit of quitting when one is overtaken by temporary defeat.

Failure is not a single, cataclysmic event. You don't fail overnight. Instead, failure is a few errors in judgement, repeated every day.

You will soon break the bow if you keep it always stretched.

The errors of great men are venerable because they are more fruitful than the truths of little men.

Failure is simply an opportunity to begin again, this time more intelligently.

A person should not be too honest. Straight trees are cut first and honest people are screwed first.

Dream is not that you see in the sleep; dream is that does not allow you to sleep.

To stumble twice against the same stone is a proverbial disgrace.

Dwelling on negative thoughts is like fertilizing weeds.

Man knows so much and does so little.

Failure is unimportant. It takes courage to make a fool of yourself.

Nature never excuses lapses.

Failure is the foundation of success, and the means by which it is achieved.

Do not be afraid of mistakes, providing you do not make the same one twice.

At fifteen life had taught me undeniably that surrender, in its place, was as honorable as resistance, especially if one had no choice.

Failing to prepare is preparing to fail.

The wise say that our failure is to form habits: for habit is the mark of a stereotyped world.

Discontent, blaming, complaining, self-pity cannot serve as a foundation for a good future, no matter how much effort you make.

The fire that warms us can also consume us; it is not the fault of the fire.