Mathematics is not a spectator sport—you have to engage with it to appreciate its beauty.
2004年夏天从波尔图来到伦敦，出席俱乐部为他安排的记者招待会所说。
The true measure of a mining company's success is its ability to leave a positive legacy for future generations.
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
If you're not embarrassed by the first version of your product, you've launched too late.
