We don't even know how strong we are until we are forced to bring that hidden strength forward. In times of tragedy, of war, of necessity, people do amazing things. The human capacity for survival and renewal is awesome.
你不是管理人；你是管理事物。你领导人们。
世界是残酷的，我的书反映了这一点。
宇宙的扭曲面——黑洞、虫洞、奇点和时间扭曲——才是真正的精彩所在。
股市在短期内是投票机，但在长期内是称重机。
What I regret most in my life are failures of kindness.
成名不是目标，目标是激励他人。