A particular idea might seem appealing until you suddenly come up with an objection to it; but then you might almost as quickly think of a way to respond to the objection.

但是一旦你想到反对的意见，你又会很快地想到回应这个反对意见的意见。

youdao

Suddenly, ideas come to you and you think of other things to write. You experiment with styles and voices and words and the language becomes more familiar...

你正想着写其他东西的时候灵感会突然到来。

youdao

When you think you know what something is, suddenly, it shifts and it becomes something else and we kind of grow up and forget the truth of that or buy into the illusion that it's not the case.

你本来认为认识一样东西，可后来它改变了，变成了另外一样东西，我们长大以后往往忘记这个事实，只沉浸在幻想之中。

youdao

Pass to the left bank and the scene changes so suddenly that you think yourself on the other side of the world.

而河左岸则完全是另一番景象,让人怀疑自己到了世界的另一头

耶鲁公开课 - 美国内战与重建课程节选

You're sitting in an opera house with a lot of other people and you suddenly think, Oh my God, I'm actually alive, I am here, this is happening, and now it's over and if I don't remember it, it's gone.

WSJ: The Ecstasy of Influence | Innovator of the Year 2012 Design