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 biggest risk is not taking any risk. In a world that's changing quickly, the only strategy that is guaranteed to fail is not taking risks.

The only way to change behavior is through manipulation of reinforcement contingencies.

偉大的思想經(jīng)常會受懦弱世俗的強烈反對。

貧窮并不等于缺乏意志力，而是缺乏選擇。

Transparency builds trust with consumers—we must embrace it fully.

The most important thing in architecture is what you cannot see.

數(shù)學(xué)中最激動人心的時刻是當你看到以前似乎不相關(guān)的事物之間的聯(lián)系時。

生命的意義在于發(fā)現(xiàn)你的天賦。生命的目的是把它奉獻出去。