The most important property of a program is whether it accomplishes the intention of its user.
A mathematician's work is never done; there are always more problems to solve.
Technology can help us monitor forests, but it's human commitment that will save them.
如果你懂得了孩子的语言,他们会与你更拉近。因为你这里有他需要的帮助,他会对你产生异样的亲切感。