The true measure of progress is not just profit, but the positive impact we leave on society and the planet.

战胜竞争对手的唯一方法，就是停止试图战胜竞争对手。

I believe in manicures. I believe in overdressing. I believe in primping at leisure and wearing lipstick. I believe in pink. I believe that laughing is the best calorie burner. I believe in kissing, kissing a lot. I believe in being strong when everything seems to be going wrong. I believe that happy girls are the prettiest girls. I believe that tomorrow is another day and I believe in miracles.

一个好的数学问题的定义是它产生的数学，而不是问题本身。