好吧，你可以永远不确定任何事情但我们还是得走进去。

Well, you can never be sure of anything but we still have to go inside.

youdao

我们都拼命的想做对的事却永远不确定我们做的到底对不对。

We all desperately want to get it right and never know for sure whether we are.

youdao

在我们永远不确定是否一个机器正在体验知觉或者仅仅是看起来好像有知觉的情况下，建造这样一个机器将会彻底改变我们对大脑的理解。

While we may never know for sure if a machine is experiencing consciousness or only appears to, building such a machine would revolutionise our understanding of the brain.

youdao