色多多在线观看播放-色多多在线观看高清免费-色多多在线观看视频-色多多在线看-欧美aaaaa性bbbbb小妇-欧美aaaav免费大片

Silence is the language of God, all else is poor translation.

"A great story is one that stays with you long after you've finished reading."

The true power of an algorithm is not in its speed or efficiency, but in its ability to reveal the hidden structures of the problems it addresses.

When you borrow a man's car, always return it with a tank of gas.

科學是提出正確問題的藝術。

一本好書的標準在于它能在多大程度上擾亂和困擾讀者。