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

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

The worst prison would be a closed heart.

At fifteen life had taught me undeniably that surrender, in its place, was as honorable as resistance, especially if one had no choice.

Man knows so much and does so little.

Failure is an event not a person

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

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

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.

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

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

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

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

Failure cannot cope with persistence.

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

Dwelling on negative thoughts is like fertilizing weeds.

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

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

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

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