"He that knows nothing doubts nothing" nghĩa là gì?

"He that knows nothing doubts nothing" = không biết gì thì chẳng hoài nghi gì -> nghĩa là điếc không sợ súng.

Ví dụ

It's no use spending time with this dickhead guy. He that knows nothing doubts nothing.

He's incredibly stubborn (bướng) and stupid. He that knows nothing doubts nothing.

He that knows nothing doubts nothing. An empty head is easily filled with garbage. 

Bài trước: "Good watch prevents misfortune" nghĩa là gì?