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

Man knows so much and does so little.

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

Failure cannot cope with persistence.

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

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

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.

Failure is an event not a person

Nature never excuses lapses.

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

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

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

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.

The worst prison would be a closed heart.

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

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

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

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

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