Man knows so much and does so little.

Nature never excuses lapses.

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

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

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

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.

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

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

Failure cannot cope with persistence.

Dwelling on negative thoughts is like fertilizing weeds.

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.

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

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

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

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

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

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

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

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