Innovation is not a slogan, but a gene in our blood.
You can't change the past, but you can shape the future.
I must have flowers, always, and always.
Every tear is a waterfall.
自然的简单性不应以我们对简单性的概念来衡量。
If there was less sympathy in the world there would be less trouble in the world.
The essence of causal inference is to go beyond the data and ask what would happen if we intervene.