逻辑学的研究是对正确推理原则的研究。
成功不是幸福的关键。幸福是成功的关键。如果你热爱你所做的事,你就会成功。
You could rattle the stars. You could do anything, if only you dared. And deep down, you know it, too. That’s what scares you most.
生命的纪律是秩序;智力的纪律是专注;行为的纪律是顺从。
Human freedom is bounded by its choices.