In science, we try to explain what we don't understand. In mathematics, we try to understand what we can't explain.
真正的领导力在于以诚信做出艰难的决定。
检验假设有效性的唯一相关标准是其预测与经验的比较。
Don't cry, I'm sorry, you must understand, I am sorry to deceive you so much, but this is life.