True leadership is about empowering others to achieve their potential.

The city is a collective work of art.

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

Changing the destructive things you say to yourself when you experience the setbacks that life deals all of us is the central skill of optimism.

激发生命，让生命自由发展，这是教育者的首要任务。

The weight of evidence for an extraordinary claim must be proportioned to its strangeness.

解释：利用时机，就像救火和追击逃亡者一样，跌跌撞撞地奔跑，只怕来不及。