We teach a subject not to produce little living libraries on that subject, but rather to get a student to think mathematically for himself.

Happiness is holding someone in your arms and knowing you hold the whole world.

Writing, to me, is simply thinking through my fingers.

The future of energy lies in the integration of traditional and renewable sources. We must adapt and lead this transition.

要选择行动的一生，而不是炫耀的一生。