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

Man knows so much and does so little.

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

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.

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

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

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

Nature never excuses lapses.

Failure cannot cope with persistence.

The worst prison would be a closed heart.

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

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

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

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

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.

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

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

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

Failing to prepare is preparing to fail.