The essence of mathematics is not to make simple things complicated, but to make complicated things simple.
数学的本质不是把简单的事情复杂化，而是把复杂的事情简单化。
大陆并非永久固定，而是处于不断的变化和运动中。
成功的关键不仅仅是努力工作，而是聪明地工作。
I think the most important thing is to make sure that the audience is emotionally engaged with the characters.
I would like to fly in space.Absolutely.That would be cool.I used to just do personally risky things， but now I’ve got kids and responsibilities， so I can’t be my own test pilot.That wouldn’t be a good idea.But I definitely want to fly as soon as it’s a sensible thing to do.