通往性别平等的道路既有进步，也有持续的挑战。

Pain research is not just about alleviating suffering; it's about understanding a fundamental aspect of human biology.

Buying tools: Start by buying the absolute cheapest tools you can find. Upgrade the ones you use a lot. If you wind up using some tool for a job， buy the very best you can afford.

Don‘t waste your time on a man/woman， who isn‘t willing to waste their time on you。