There was another life that I might have had, but I am having this one.

改变一个人的关键是改变他的自我意识。

我们必须承认自己的错误并从中吸取教训。

The root of all superstition is that men observe when things hit， and not when they miss， and commit to memory the one， and pass over the other.

Truth is not found in the light, but in the shadows where we dare not look.

科学家们似乎仍未充分理解，所有地球科学都必须为揭示地球早期状态提供证据，而只有综合所有这些证据才能触及真相。