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.

The universe we observe has precisely the properties we should expect if there is, at bottom, no design, no purpose, no evil, no good, nothing but blind, pitiless indifference.

You don’t have to be great to start, but you have to start to be great.

医学的未来不仅仅是治疗疾病，而是在疾病开始之前预防它。

洛杉矶是未来的城市——永远都是。