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

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

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

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

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

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

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

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

Failing to prepare is preparing to fail.

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

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

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.

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

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

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

Dwelling on negative thoughts is like fertilizing weeds.

Nature never excuses lapses.

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