如果一个人只希望幸福，这很容易实现；但我们希望比别人更幸福，这总是困难的，因为我们相信别人比他们实际更幸福。
If one only wished to be happy, this could be easily accomplished; but we wish to be happier than other people, and this is always difficult, for we believe others to be happier than they are.
The human being is a sun, and the senses are his planets.
The only thing that counts is what cannot be explained.
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。
The Internet is a powerful tool for education, but it is not a substitute for the teacher.