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

Man knows so much and does so little.

The fire that warms us can also consume us; it is not the fault of the fire.

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

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

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

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

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

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

Failing to prepare is preparing to fail.

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

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

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.

Nature never excuses lapses.

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

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.

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