Logic is not a body of doctrine, but a mirror-image of the world. Logic is transcendental.

Logic is not a body of doctrine, but a mirror-image of the world. Logic is transcendental.

逻辑不是一套学说，而是世界的一面镜子。逻辑是先验的。

-- Ludwig Wittgenstein 路德维希·维特根斯坦