Wise men, when in doubt whether to speak or to keep quiet, g... - Napoleon Hill

"Think twice before you speak, because your words and influence will plant the seed of either success or failure in the mind of another."

"Do not wait: the time will never be 'just right'. Start where you stand, and work whatever tools you may have at your command and better tools will be found as you go along."

"Desire is the starting point of all achievement, not a hope, not a wish, but a keen pulsating desire which transcends everything."

"Before success comes in any man's life, he's sure to meet with much temporary defeat and, perhaps some failures. When defeat overtakes a man, the easiest and the most logical thing to do is to quit. That's exactly what the majority of men do."

"There are no limitations to the mind except those that we acknowledge."