创新不是发明全新的东西，而是改进已经存在的东西。
Innovation is not about inventing something entirely new, but about improving what already exists.
When safety competes with production, safety always wins.
The universe is under no obligation to make sense to you.
保持好奇心并在整个生命中不断学习是很重要的。
If you want to fly, you have to give up what weighs you down.
你看到的就是你看到的。
Every life contains its own mysteries, and the biographer must respect the unknowable.