永远不要停止学习，因为世界从未停止变化。

Every decision we make underground has an impact above ground—that's the weight we carry.

生命中最伟大的光辉不在于永不坠落，而在于坠落后总能再度升起。

We shall never prevent the abuse of power if we are not prepared to limit power in a way which occasionally may prevent its use for desirable purposes.

真正的乐趣在于发现，而不是知道。