To do mathematics is to engage in a dialogue with the universe, seeking answers to questions we may not even know how to ask yet.
The past is a shadow that follows us, a ghost that haunts us.
The best investment strategy is one that is simple, low-cost, and broadly diversified.
如果你相信每个生命都是平等的,那么当你发现某些生命被挽救了,而另一些生命被放弃了,你会感到无法接受。我们对自己说:“事情不可能如此。如果这是真的,那么它理应是我们努力的头等大事。”
The only way to discover the limits of the possible is to go beyond them into the impossible.
Success is no accident. It is hard work, perseverance, learning, studying, sacrifice and most of all, love of what you are doing.