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

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

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

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

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

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

Man knows so much and does so little.

Failure cannot cope with persistence.

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

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

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

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

Nature never excuses lapses.

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

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

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

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

The chief cause of failure and unhappiness is trading what you want most for what you want right now

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

The worst prison would be a closed heart.

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