圆的周长大于任何内接等边多边形的周长,小于任何外切多边形的周长。
You can't lead effectively if you don't understand the business from the ground up.
My inspiration comes from pain and also joy.
教育的目的不是使年轻人在任何一门科学上都变得完美,而是要打开和培养他们的思维,使他们在将来学习任何科学时都能胜任。
The most important single aspect of software development is to be clear about what you are trying to build.
我不知道什么更紧,是我们的牛仔裤还是我们的和声。
Don’t be afraid to fail, be afraid not to try.
The heart is a fragile thing, but it is also the source of our greatest strength.