In science, the most important quality is intellectual honesty.
Innovation happens when you're willing to question everything.
Time does not move in a straight line; it folds back on itself.
The truth is, the past is all we have. We can't change it, but we can learn from it.
It's not worth doing something unless someone, somewhere, would much rather you weren't doing it.
用鲜血写就的安全规程必须像圣典般被虔诚遵守。
It is no use doing what you like;you have got to like what you do.