True strength comes from inner peace.

"It is worth living for, to find out what is true."

释义：不考虑在安逸的环境中要想到危难，用节俭来戒除奢侈，不使自己的道德处于深厚的境界，不能使自己的情欲战胜物质欲望，这就像砍伐树木的根却想要树木长得茂盛，堵塞水的源头却想要水流得长远一样荒谬。 

当被问及SpaceX连续发生三次故障时

The Holocaust is not something you can describe; it's something you can only survive.

可持续性不仅仅是一个流行词，它是我们行业未来的基础。

True innovation comes from the ultimate pursuit of details.