对于任何事务，要改变它就要先接受它。谴责不会解放而只会压迫。

在每个方程中，都有一个等待被讲述的故事。

Habit is far more dependable than inspiration. Make progress by making habits. Don‘t focus on getting into shape. Focus on becoming the kind of person who never misses a workout.

研究学习的唯一有意义的方法是通过客观测量。