The worst prison would be a closed heart.
Any man can make mistakes, but only an idiot persists in his error.
Do not be afraid of mistakes, providing you do not make the same one twice.
To stumble twice against the same stone is a proverbial disgrace.
You will soon break the bow if you keep it always stretched.
At fifteen life had taught me undeniably that surrender, in its place, was as honorable as resistance, especially if one had no choice.
Failure cannot cope with persistence.
Failing to prepare is preparing to fail.
The errors of great men are venerable because they are more fruitful than the truths of little men.
Pollution is nothing but the resources we are not harvesting. We allow them to disperse because we've been ignorant of their value.
Great services are not canceled by one act or by one single error.
A person should not be too honest. Straight trees are cut first and honest people are screwed first.
Nature never excuses lapses.
The fire that warms us can also consume us; it is not the fault of the fire.
Many of life's failures are people who did not realize how close they were to success when they gave up.
One of the most common causes of failure is the habit of quitting when one is overtaken by temporary defeat.
Failure is unimportant. It takes courage to make a fool of yourself.
Discontent, blaming, complaining, self-pity cannot serve as a foundation for a good future, no matter how much effort you make.
But man is not made for defeat,'he said. 'A man can be destroyed but not defeated.
Dwelling on negative thoughts is like fertilizing weeds.
As soon as the fear approaches near, attack and destroy it.