我不考虑消极的事情。我只考虑积极的事情。
The human body is a complex puzzle, and viruses are just one piece of it.
不存在所谓的质量问题。只有人们没有做他们应该做的事情的问题。
The true genius shudders at incompleteness — and usually prefers silence to saying something which is not everything it ought to be.