Safety is the greatest benefit, accidents are the biggest waste.

科学不仅仅是关于发现，而是关于将发现应用于人类需求。

Survival can be summed up in three words—never give up. That's the heart of it really. Just keep trying.

"Justice is not always black and white; sometimes it's a shade of grey."

The only man who behaves sensibly is my tailor; he takes my measure anew every time he sees me, while all the rest go on with their old measurements.