A red rose is not selfish because it wants to be a red rose. It would be horribly selfish if it wanted all the flowers in the garden to be both red and roses.
生活是一面镜子，如果你对它微笑，它也会对你微笑。
Being online should be a right, not a privilege.
The task of economics is not only to interpret phenomena, but also to provide practical advice and policies for society.