利润和可持续性必须齐头并进，缺一不可。
你可以通过一个人的回答来判断他是否聪明。你可以通过一个人的问题来判断他是否明智。
It must be remembered that while sympathy with joy intensifies the sum of joy in the world., sympathy with pain does not really diminish the amount of pain. It may make man better able to endure evil, but the evil remains.
