A proof is a way to convince yourself and others that something is true.

For me, the most exciting thing is to see the impact of the work that we do.

The only limit to our realization of tomorrow is our doubts of today.

写作是一种自由的行为，一种抵抗压迫和遗忘的方式。

Leadership means making tough choices today for a better tomorrow.

The role of a leader is to create more leaders, not followers.

Reality is a question of perspective; the further you get from the past, the more concrete and plausible it seems.

最好的领导者是那些多听少说并以诚信行事的人。