No man really knows about other human beings. The best he can do is to suppose that they are like himself.
In the realm of mathematics, every problem is an opportunity to discover something new.
你妻子喘不过气是因为我。
男人是奇怪的东西,而更奇怪的是女人。
To serve is beautiful, but only if it is done with joy and a whole heart and a free mind.