All intelligent thoughts have already been thought; what is necessary is only to try to think them again.

All intelligent thoughts have already been thought; what is necessary is only to try to think them again.

一切智慧的思想都已经被思想了;我们所需要做的只是试着重新思考它们。

-- Johann Wolfgang von Goethe 约翰·沃尔夫冈·冯·歌德