Every mathematical problem has a solution, but not every solution is immediately apparent.
每个数学问题都有解决方案，但并非每个解决方案都显而易见。
I'm not gonna be able to live on this planet if I have to live in a world where I have to explain my sense of humor.
When you say 'yes' to others, make sure you are not saying 'no' to yourself.
当你面对一个拧不动的螺栓或螺丝钉的时候：右转是拧紧，左转是拧松。