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

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

Man knows so much and does so little.

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

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

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

Nature never excuses lapses.

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

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

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 not a single, cataclysmic event. You don't fail overnight. Instead, failure is a few errors in judgement, repeated every day.

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

Failure cannot cope with persistence.

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

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

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

Failure is an event not a person

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.

Failing to prepare is preparing to fail.

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