做学问的人应当以确立诚信为根本，修饰言辞为次要。

蒸汽的力量如今已被充分理解，剩下的只是改进实践。

I don't compete with anyone. I compete with myself.

The downside of my celebrity is that I cannot go anywhere in the world without being recognised. It is not enough for me to wear dark sunglasses and a wig. The wheelchair gives me away.

领导力意味着今天做出艰难的决策，以便明天让所有人受益。