Program testing can be used to show the presence of bugs, but never to show their absence!
我总是尽量从错误中学习。
科学界的女性永远不应怀疑自己改变世界的能力。
The highest virtue is to lead others to the understanding of truth.
Language is the most powerful tool we have to shape reality.
That’s one small step for a man, a giant leap for mankind.