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 purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.

"In the end, all we have are the stories we tell."

創(chuàng)新是區(qū)分領(lǐng)導(dǎo)者和追隨者的關(guān)鍵。

We cannot know the cause, and therefore the effect, by reason alone.

The chief beauty about time is that you cannot waste it in advance. The next year, the next day, the next hour are lying ready for you, as perfect, as unspoiled, as if you had never wasted or misapplied a single moment in all your life.