If something's important enough, you should try. Even if you - the probable outcome is failure.

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

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

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

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

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

Failure cannot cope with persistence.

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

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

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

Failing to prepare is preparing to fail.

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

Failure is an event not a person

The worst prison would be a closed heart.

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

Man knows so much and does so little.

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

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

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

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

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