He who believes is strong; he who doubts is weak. Strong convictions precede great actions. Louisa May Alcott
Never let up. The more you can win by, the more doubts you put in the other players' minds the next time out. Sam Snead
Our doubts are traitors and make us lose the good we oft might win by fearing to attempt.William Shakespeare
Though I am a Catholic, a professing one, I have serious doubts about the survival of the human personality after death. Taylor Caldwell
When you get back on the field and do things, any doubts you've developed leave. The more consistent you become, the fewer doubts you have. Eric Davis