A good abstraction is one that emphasizes the important details and suppresses the unimportant ones.

The coal research is just as important as the DNA work.

The past is never really past—it shapes who we are.

I stand up for what I believe in, and I don't back down.

The more you praise and celebrate your life, the more there is in life to celebrate.

You get what you give. What you put into things is what you get out of them.

最具可持续性的矿山是那些超越开采思维的矿山。