Fitness if like the blade of a knife; you want to sharpen it without ruining the blade.
Sally JenkinsNo pro football player should die of heatstroke, any more than cholera, in this day and age if the most basic attention is paid and precautions are taken.
Sally JenkinsPhysiologists and high-performance trainers understand now that the concept of 110 percent is no longer a smart way to train. Fitness is like the blade of a knife; you want to sharpen it without ruining the blade. Give 110 percent, and you won't build your body up, but actually break it down. And be no good to yourself or anyone else.
Sally Jenkins