我曾听说过这样一个说法：快乐就是拥有健康和短暂的记忆。我多么希望这是我发明的，因为说得太对了。

采矿成功的关键在于可持续性——平衡经济增长与环境责任。

Secrets are like shadows - they grow longer with time.

Give the pupils something to do, not something to learn; and the doing is of such a nature as to demand thinking; learning naturally results.

The most important thing is to enjoy your life—to be happy—it's all that matters.

每栋建筑都是一种告白。