The choices we make today will shape the world of tomorrow.

我不是说唱歌手，我是一个地狱的传奇。

If we had a keen vision and feeling of all ordinary human life, it would be like hearing the grass grow and the squirrel's heart beat, and we should die of that roar which lies on the other side of silence.

数学不是观赏性运动——你必须参与其中才能欣赏它的美。