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

科學不在于永遠正確，而在于逐漸減少錯誤。

Whether you come from a council estate or a country estate, your success will be determined by your own confidence and fortitude.

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.

Success in business comes from understanding both the numbers and the people behind them.

計算機科學的美在于它能夠建模并解決現實世界的問題。

最激進的姿態是留在原地。