The wild is a place of beauty and danger. To survive, you have to respect both.
努力的痛苦是暂时的,但不尝试的遗憾是永恒的。
如果你简单,这个世界就对你简单。
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。
The biggest weapon against stress is our ability to choose one thought over another.