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.

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

Man knows so much and does so little.

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

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

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

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

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.

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.

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

Failure cannot cope with persistence.

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

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

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

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

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

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

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