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

The iron rule of nature is: you get what you reward for. If you want ants to come, you put sugar on the floor.

縱然傷心，也不要愁眉不展，因?yàn)槟悴恢钦l會愛上你的笑容。

"The purpose of a writer is to keep civilization from destroying itself."

偉大的領(lǐng)導(dǎo)力在于賦能他人實(shí)現(xiàn)他們認(rèn)為不可能的事。

The best weapon of a dictatorship is secrecy, but the best weapon of a democracy should be the weapon of openness.

The study of L-functions is a journey into the hidden patterns of numbers.