"The key is not to eliminate fear, but to control it."

The key to credible causal inference is not just the method, but how well the method fits the question at hand.

If we don’t measure our impact, we’re just guessing at sustainability.

True leaders are not those who give orders, but those who can inspire others to follow voluntarily.

He does not love me, he loves the idea of me.

The important thing is not to stop questioning. Curiosity has its own reason for existing.

记忆就像一条永不停息的河流。