"Sincere thought means thought of concentration (quiet..." - Quote by Bruce Lee

“Are you going to let the obstacles in your life be stumbling blocks or stepping stones? Choose the positive. You are the master of your attitude.”

“Its like a finger pointing away to the moon. Dont concentrate on the finger or you will miss all that heavenly glory.”

“Everyone wants to learn how to win, but no one wants to learn how to accept defeat.”

“All there is to writing is having ideas. To learn to write is to learn to have ideas.”

“Most people spend their entire life imprisoned within the confines of their own thoughts. They never go beyond a narrow, mind-made, personalized sense of self that is conditioned by the past.”

“When everyone agrees, someone is not thinking.”

“Being an actor is the loneliest thing in the world. You are all alone with your concentration and imagination, and that's all you have.”

“Don't dissipate your powers; strive to concentrate them. Genius thinks it can do whatever it sees others doing, but it will surely repent of every ill-judged outlay.”

“I certainly do not adore the writer's discipline. I have lost lovers, endangered friendships, and blundered into eccentricity, impelled by a concentration which usually is to be found only in the minds of people about to be executed in the next half hour.”