Train people well enough so they can leave, treat them well enough so they don't want to.
Dairy products should be both nutritious and delicious.
The brain is a kind of computer.
The most important victories are the ones that come after the toughest defeats.
可持续性不仅仅是植树,而是在正确的地方种植正确的树木,并确保它们世代繁茂。