Never stay up on the barren heights of cleverness, but come down into the green valleys of silliness.

Never stay up on the barren heights of cleverness, but come down into the green valleys of silliness.

不要停留在智慧贫瘠的高处，要下到愚昧的绿色山谷。

-- Ludwig Wittgenstein 路德维希·维特根斯坦