The beauty of mathematics is that it is universal.

光是理解世界的关键。

When basic needs are insecure, all idealism withers.

We can talk about a happening in three main ways: by describing it， by recounting its history， by telling a story about it.

I used to think the world was broken down by tribes. Then I thought it was broken down by rich and poor. Then I thought it was broken down by stupid and smart. But I know now that it is broken down by people who are alive and people who are dead.

The future belongs to those who embrace change and innovate.