Great services are not canceled by one act or by one single error.

The worst prison would be a closed heart.

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

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

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

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

Pollution is nothing but the resources we are not harvesting. We allow them to disperse because we've been ignorant of their value.

Man knows so much and does so little.

Many of life's failures are people who did not realize how close they were to success when they gave up.

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

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

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

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

Failing to prepare is preparing to fail.

As soon as the fear approaches near, attack and destroy it.

You have committed a double mistake, firstly by not keeping the engagement yesterday and secondly, by coming when you were not expected.

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

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

Failure cannot cope with persistence.

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.