人生中唯一真正的失敗是不忠于自己所知的最好。
人比東西更需要修復(fù)、人們需要重頭再來、恢復(fù)生機(jī)、改頭換面并得到救贖；所以永遠(yuǎn)不要拋棄任何人。
人類的選擇在于自由和幸福之間，而對(duì)于大多數(shù)人來說，幸福更好。
The minerals we extract today must serve the needs of future generations as well.
The most important part of teaching is to teach what it is to know.