外交需要保持冷静和理智,不受情绪和个人偏见的影响。
不要害怕放弃好的,去追求伟大的。
最好的领导者是那些能够授权他人去领导的人。
If you're not failing every now and then, you're not doing anything very innovative.
Mathematics is a dialogue between the past and the present.