科学应该始终为人类服务，而不是反过来。

写作就像在大理石上雕刻：每个词都必须精确且不可复制。

A dreamer is one who can only find his way by moonlight, and his punishment is that he sees the dawn before the rest of the world.

Causality is the fabric of the universe, and probability is its language.

死者并未离去。他们只是不在此处。