数学的真正力量在于它简化复杂事物的能力，使不可理解的事物变得可理解。
The true power of mathematics lies in its ability to simplify the complex, making the incomprehensible understandable.
The key to credible causal inference is not just the method, but how well the method fits the question at hand.
In mathematics, truth is found not through consensus but through proof.
I’m not here to be perfect, I’m here to be real.
当下总是在变，但过去是固定的。