司马牛忧伤地说：“别人都有兄弟，唯独我没有。”子夏说：“我听说过：‘死生有命，富贵在天’。君子敬业而不犯错误，对人恭敬而有礼。四海之内，皆兄弟。君子担心什么没有兄弟？”

Life is a poem written in tears and laughter.

When you arrive at your room in a hotel， locate the emergency exits. It only takes a minute.

"The truth is rarely pure and never simple."

Childhood is the first and last frontier of literature.