数学不是一项观赏性运动;要理解它,必须积极参与其中。
Mathematics is not a spectator sport; to understand it, one must engage with it actively.
I think it's important to take risks and to challenge yourself. That's how you grow as a person.
A computer program does what you tell it to do, not what you want it to do.
可持续性不是一种选择;它是农业前进的唯一道路。