傻蛋陪你笑笨蛋陪你哭
[shă dàn péi nĭ xiào bèn dàn péi nĭ kū]
Translates into 'a fool accompanies you in laughter, an idiot accompanies you in tears'. It suggests that different kinds of people (even those considered silly or foolish) share both happy and sad times with you.