Injustice anywhere is a threat to justice everywhere.

The trade-off between bias and variance is a fundamental concept in machine learning.

Waterfalls

Be a yardstick of quality. Some people aren’t used to an environment where excellence is expected.

Every child deserves to see themselves in a story.

大分子的概念并不容易被接受；它需要化学家对物质结构的思考方式发生彻底的改变。

Your body is not a temple， it's an amusement park. Enjoy the ride.

唯一的真正幸福来自于为一个目标挥霍自己。