伟大不是被给予的,而是赢得的。
The power of mathematics is in its abstraction, allowing us to see patterns and connections that are not immediately obvious.
The coal industry must evolve or risk becoming obsolete. Adaptation is the key to survival.
在个体中,疯狂是罕见的;但在团体、党派、国家和时代中,它却是常规。
Life is a series of small dramas, played out in the shadow of larger ones.