I hope to always be number one, but maintaining this level is quite a challenge.

制度的质量是一个国家成败的关键决定因素。

The most dangerous phrase in business is "We've always done it this way."

"You must be the change you wish to see in the world."

The study of mathematics is the indispensable basis for all intellectual and spiritual progress.

如果你不愤怒，说明你没有在关注。