心理活动的目的是引导行为。
The purpose of mental activity is to guide action.
写作不仅仅是讲述故事，更是发现其中的真相。
We are what we repeatedly do. Excellence, then, is not an act but a habit.
The only real beauty is the beauty of the soul.
The essence of causal inference is to go beyond the data and ask what would happen if we intervene.
Escribir es un acto de amor, una manera de acercarse al otro, de entenderlo.
"The most beautiful thing we can experience is the mysterious. It is the source of all true art and science."
La musique est le bruit qui pense.