当我们停止指责并开始解决问题时，进步就会发生。

The only person you should try to be better than is the person you were yesterday.

The beauty of mathematics only shows itself to more patient followers.

There is nothing in the world so irresistibly contagious as laughter and good humor.

The real question is not whether climate is changing, but how fast and how much we can adapt.

世界和生命是一体的。