Mathematical reasoning may be regarded rather schematically as the exercise of a combination of two facilities, which we may call intuition and ingenuity.
数学推理可以相当系统地看作是对两种能力的结合运用,我们可以称之为直觉和独创性。
你对一种情感感受得越深,就越难表达它。
I believe that we should all try to make a positive impact on the world.
信仰 + 怀疑 = 理智。