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.

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

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.

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

Failing to prepare is preparing to fail.

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

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

Man knows so much and does so little.

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

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

But man is not made for defeat,'he said. 'A man can be destroyed but not defeated.

Dwelling on negative thoughts is like fertilizing weeds.

Failure is an event not a person

Failure cannot cope with persistence.

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

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

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

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

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