学习的速度决定成长的速度。
The speed of learning determines the speed of growth.
人比自己想象的要坚强。
美德与伟大不能兼得。
The study of mind is the study of life's coping mechanisms.
The opening up of new markets, foreign or domestic, and the organizational development from the craft shop and factory to such concerns as U.S. Steel illustrate the same process of industrial mutation—if I may use that biological term—that incessantly revolutionizes the economic structure from within, incessantly destroying the old one, incessantly creating a new one.
