Even if there is only one possible unified theory, it is just a set of rules and equations. What is it that breathes fire into the equations and makes a universe for them to describe?Stephen Hawking
Every great batter works on the theory that the pitcher is more afraid of him than he is of the pitcher. Ty Cobb
Extreme heroism springs from something that no scientific theory can fully explain; it's an illogical impulse that flies in the face of biology, psychology, actuarial statistics, and basic common sense. Christopher McDougall
He had a theory, Walt did, that the religious life, and all the agony that goes with it, is just something God sics on people who have the gall to accuse Him of having created an ugly world. J . D. Salinger
He who loves practice without theory is like the sailor who boards ship without a rudder and compass and never knows where he may cast. Leonardo Da Vinci
I don't write anything that I haven't lived. In terms of integrity, you have to write what you live. And if you write beyond what you live, it is theory. And theory is not helpful. It is just not. John Eldredge
I have a theory. An audience doesn't need to get wrapped up in blackness every time they see a Negro actor. And a movie doesn't have to be about race just because there's a Negro in it.Jim Brown
I hesitate to predict whether this theory is true. But if the general opinion of Mankind is optimistic then we're in for a period of extreme popularity for science fiction. David Eddings
I just never subscribed to the theory that at age 55, you fall off the face of the earth on the Tour. I always felt that was too young of an age for that. Hale Lrwin
I know that a good many champions have entertained the thought that the more they discourage youngsters, the longer they would reign. However, this theory never impressed me, and I always made it a point to give youths the benefit of my experience in bicycle racing. Major Taylor
I think when you're learning an instrument, you are restricted because much of it is the noise of individual theory and your ability to play the instrument. James Blake
I wanted as little formal linguistic theory as I could get by with. I wanted the basic linguistic training to do a translation of the New Testament. Daniel Everett
I'm a firm believer that in the theory that people only do their best at things they truly enjoy. It is difficult to excel at something you don't enjoy. Jack Nicklaus