Always plan for the worst-case scenario.
You have to be comfortable with being uncomfortable if you want to make progress in mathematics.
Quality should never be compromised for the sake of speed.
意志力不是美德,而是神经冲动的定向爆破。
世界充满了神奇的事物,耐心地等待着我们的感官变得更加敏锐。
You don't have to understand life. You just have to live it.