黄金法则：想要别人怎么对待你，你就要怎么对待别人

The world needs responsible miners who understand the value of both minerals and the planet.

The deep, personal material of the latter half of your life is your children. You can write about your parents when they're gone, but your children are still going to be here, and you're going to want them to come and visit you in the nursing home.

如果你不改变，你就会灭绝。