The great question which, in all ages, has disturbed mankind, and brought on them the greatest part of their mischiefs, has been, not whether there be power in the world, nor whence it came, but who should have it.
I like to think of mathematics as a kind of poetry.
在考试里，愚人的问题，智者无法回答。
The books that the world calls immoral are books that show the world its own shame.