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 best mathematics is not just correct; it is illuminating.
记忆是一件复杂的事情，是真理的亲戚，但不是它的双胞胎。
写作的行为是一种勇气的行为，是对生命短暂本质的挑战。
Make you the most impatient are your greatest source of learning.
成功的关键是关注长期，而不是短期收益。
Love doesn't happen suddenly. Feelings build up over time, little by little.