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

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

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

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

Nature never excuses lapses.

Dwelling on negative thoughts is like fertilizing weeds.

The worst prison would be a closed heart.

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

Man knows so much and does so little.

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.

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

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

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

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

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

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

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

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

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

Failure is an event not a person