万事皆有可能，“不可能”的意思是，“不，可能。”
Becoming fearless isn't the point. That's impossible. It's learning how to control your fear, and how to be free from it.
The trade-off between bias and variance is a fundamental concept in machine learning.
Happiness is not out there for us to find. The reason that it’s not out there is that it’s inside us.