The city's poor are like the roots of a tree: unseen, but essential to its survival.

Don’t let the noise of others’ opinions drown out your own inner voice.

美国是一个巨大的锅炉。只要下面点着火，它会产生无限的能量。

唯一能让你成功的是努力工作。

You can't be afraid to fail. It's the only way you succeed.

The most important property of a program is whether it accomplishes the intention of its user.