The single biggest mistake that most beginners make is putting 100% of their effort into the positive (concentric) part of the rep, while paying no attention to the negative (eccentric) segment
Dorian YatesThe path to added muscle is consuming more calories than the amount needed to keep your current bodyweight unchanged.
Dorian YatesEach workout is like a brick in a building, and every time you go in there and do a half-ass workout, you're not laying a brick down. Somebody else is.
Dorian YatesOne set at extreme intensity does the muscle-building job. It must be stressed that the one final, all-out set I do takes me to the very limit of my capabilities. If you feel you can attempt a second set, then you couldn’t have been pulling out all the stops during the first set. It's not pretty, but it works.
Dorian Yates