《淮南子·缪称训》
三个月大的婴儿，还不如利害关系，但慈母的爱心却能感受到，这是由于母子间的真情相通所致。
三月婴儿，未知利害也，而慈母之爱谕焉者，情也。
A three-month-old baby is not as good as a relationship of interest, but the mother's love can be felt, which is due to the true love between mother and child.