As I read more and I got into philosophy and met a lot of friends who weren't Christians, it became difficult for me to sustain the belief structure in the supernatural. Daniel Everett
Confidence is the most important single factor in this game, and no matter how great your natural talent, there is only one way to obtain and sustain it: work. Jack Nicklaus
Fat is one of the chief enemies of the heart because it has to be plentifully supplied with blood and thus needlessly increases the pumping load that the heart must sustain. Gene Tunney
I felt a failure because I couldn't sustain myself from what I earned from my writing. My day jobs were what mattered, and it was hard to even get those because universities wouldn't hire me as a real writer. Sandra Cisneros
The problem was to sustain at any cost the feeling you had in the theater that you were watching a real person, yes, but an intense condensation of his experience, not simply a realistic series of episodes. Arthur Miller
You can look for external sources of motivation and that can catalyze a change, but it won't sustain one. It has to be from an internal desire. Jillian Michaels