Happiness lies in the joy of achievement and the thrill of creative effort.

Internet competition is like surfing, if you miss one wave, you miss it forever.

"Words have the power to heal and to destroy."

完美数如同完美的人一样稀少。

We're not focused on the numbers. We're focused on the things that produce the numbers.

The choice is simple: either we protect nature now, or we pay the price later.

最好的故事是那些同时触动心灵和思想的故事。