The true cost of oil isn't just the price per barrel—it's the environmental and social impact.

Life can only be understood backwards; but it must be lived forwards.

You want to be extra rigorous about making the best possible thing you can.

我只和自己竞争，不和别人竞争。

"The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but 'That's funny...'"

Quality is never an accident; it is always the result of intelligent effort.

We perceive the world in terms of its significance for action.