The key to successful trading is to know when to buy and when to sell.

数学是过去与现在之间的对话。

You see,poetry can come from anything with the stuff of revelation in it.

I always wanted to be a singer, and I focused on that goal, even when others told me I couldn't do it.

True leadership is about serving others and helping them reach their full potential.

每一项科学发现都应该以其对人类福祉的贡献来衡量。