It is an hypothesis that the sun will rise tomorrow: and this means that we do not know whether it will rise.

It is an hypothesis that the sun will rise tomorrow: and this means that we do not know whether it will rise.

这是一种假设，即太阳明天会升起，这意味着我们不知道它是否会升起。

-- Ludwig Wittgenstein 路德维希·维特根斯坦