The most profound discoveries often come from asking the simplest questions.
数学的研究是所有智力和精神进步不可或缺的基础。
Try again.Fail again.Fail better.
你不能只是坐在那里等待别人给你那个黄金梦想。你必须走出去,自己去实现它。
The companies that will thrive are those that see change as an opportunity, not a threat.
Behavior is determined by the current stimulus situation and past reinforcement history.