量子力学的发展表明，经典的空间和时间概念不足以描述原子世界。

勇气不是没有恐惧，而是战胜恐惧。

最好的歌曲是来自灵魂的那些。

The ethical implications of genetic modification must be carefully considered.

宇宙不仅比我们想象的更奇怪，而且比我们能够想象的还要奇怪。

I don't know. Sometimes when I feel about to cry, it often evolves into an impulse to almost laugh. That must have been how I really felt at the time, because I laughed, almost giggled.

文明被描述为对一系列挑战的回应结果，而其中最大的挑战始终是气候。