实现明天的唯一限制是我们今天的疑虑。
The only limit to our realization of tomorrow is our doubts of today.
You can't let praise or criticism get to you. It's a weakness to get caught up in either one.
译文：性格怪异，脾气不好的人，多因心胸狭窄、容不得人而终日处于不安之中，从而落得个短命的下场；语言尖酸刻薄的人，因少积口德而使得众人都远离其人，得不到别人的帮助，使得自己福分浅薄。
Quality starts in the soil; if you take care of the land, the land will take care of you.
煤炭的未来在于可持续和负责任的采矿实践。
某个复杂的想法被有意识地理解的频率越高，其元素就越容易和迅速地进入有意识的联系。