Nothing is impossible in this world. Firm determination, it is said, can move heaven and earth. Things appear far beyond one's power, because one cannot set his heart on any arduous project due to want of strong will.
Bio: Michael E. Soulé was a U.S. biologist, best known for his work in promoting the idea of conservation biology. He earned a Ph.D. in Population Biology at Stanford University under Paul R. Ehrlich.
