昨天我是一只狗……今天我是一只狗……明天我可能还是一只狗……唉!这进步的希望真是小啊!
"The immune system is like a double-edged sword; it can fight cancer but also needs to be controlled."
The most ordinary life can be extraordinary when seen through the right eyes.
The happiness of a married man depends on the people he has not married.