The first precept was never to accept a thing as true until I knew it as such without a single doubt.

The first precept was never to accept a thing as true until I knew it as such without a single doubt.

第一条箴言是，在我毫不怀疑地知道一件事是真实的之前，永远不要相信它。

-- René Descartes 任_笛卡尔