Those who don't know how to weep with their whole heart, don't know how to laugh either. 不懂盡情哭泣的人，也不知道如何笑。

Those who don't know how to weep with their whole heart, don't know how to laugh either. 不懂盡情哭泣的人，也不知道如何笑。 
以色列前總理梅爾夫人 Golda Meir