A mathematician is a device for turning coffee into theorems.

真正的领导力意味着为了更美好的明天而在今天做出艰难的决定。

不平等并非不可避免，它是政策选择的结果。

石油行业的领导力意味着在盈利和责任之间取得平衡。

释义：君子在面对挫折、困难的时候，应该反躬自问，修养品德。蹇（jiǎn），多指行动迟缓、困苦、不顺利的意思。

I don't know. Sometimes when I feel about to cry, it often evolves into an impulse to almost laugh. That must have been how I really felt at the time, because I laughed, almost giggled.