Fear, the enemy of accomplishment.

"Fear is the deadly enemy of accomplishment, it paralyzes effort, destroys initiative and corrodes the mental machinery. Fear and worry go hand in hand, the one produces the other. Worry never yet succeeded in overcoming a difficulty, neither has it ever succeeded in. elucidating a problem; all it can do is to destroy health, wreck happiness and peace of mind, and make the difficulties more difficult to overcome and the problems less easy of solution."