我不是语言，我是声音。

The only way to learn mathematics is to do mathematics.

"Stories you read when you're the right age never quite leave you. You may forget who wrote them or what the story was called. Sometimes you'll forget precisely what happened, but if a story touches you it will stay with you, haunting the places in your mind that you rarely ever visit."

我是行尸走肉，但我只是一个说话的脑袋，一个漂浮的僵尸，但我永远不会死。

The art of living lies less in eliminating our troubles than in growing with them.