We are never the same with others as when we are alone. We are different, even when we are in the dark.

The historian must be impartial, but not indifferent.

Don't stop believing, unless your dream sucks.

光波，无论是以太波还是其他波，在所有情况下都是时间上的周期性过程。

整个科学不过是日常思维的提炼。