A man's errors are his portals of discovery.

"We're not perfect, but we're perfect for each other."

当你受到攻击时，狠狠地反击。

晏子春秋

The ultimate goal of computer science is to create systems that are both powerful and reliable.

那些善于学习的人们，应当能够求得其学习的甚解，了解之所以这样的缘故，不应当只求得背诵文章，看看便可以了。