过去是一个谜,历史学家是试图将碎片拼凑在一起的人。
"The past is a puzzle, and the historian is the person who tries to put the pieces together."
以往的事过去了便不再重提,现在的事做一件有一件的功劳,未来的事情省一件便省去许多麻烦。
The only constant in life is change, and we must embrace it.