"Focused mind power is one of the strongest forces on earth." -– Mark Victor Hansen  

"What this power is I cannot say; all I know is that it exists and it becomes available only when a man is in that state of mind in which he know exactly what he wants and is fully determined not to quit until he finds it." -- Alexander Graham Bell  

"To do two things at once is to do neither." -- Publilius Syrus

"Our plans miscarry if they have no aim. When a man does not know what harbor he is making for, no wind is the right wind." -– Seneca  

"You will become as small as your controlling desire, or as great as your dominant aspiration." -– Mark Victor Hansen  

"I think that fortune watcheth o'er our lives, surer than we.  But well said:  he who strives will find his goals strive for him equally." -- Euripides  

"Above all be of single aim; have a legitimate and useful purpose, and devote yourself unreservedly to it." -- James Allen

"Emphasize everything and you emphasize nothing." -- Herschell Gordon Lewis  

"If you would be rich, you will be rich; if you would be good, you will be good; if you would be learned, you will be learned. But wish for one thing exclusively, and don't at the same time wish for a hundred other incompatible things just as strongly." -- William James  

"I never hit a shot, not even in practice, without having a very sharp in-focus picture of it in my head." -- Jack Nicklaus  

"You only have one head so why wear all the hats?" -– Rick Beneteau