Nature never excuses lapses.

Man knows so much and does so little.

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

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

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

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

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

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

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

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

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

Failure cannot cope with persistence.

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

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

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

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

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

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.

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

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