translation.en: But the thing is, in a comprehensible universe, if something isn't forbidden by the laws of physics, then what could possibly prevent us from doing it, other than knowing how?
translation.zh: 但问题是，在一个可理解的宇宙中， 如果某事是物理定律所允许的， 那么在我们知道如何运作的情况下，什么会妨碍我们去实践它呢？