《礼记·坊记》
父母健在，向别人赠送东西，小件东西还可以，像车马那样的大件就不可以，这是教育百姓不敢自作主张。
父母在，馈献不及车马，示民不敢专也。
When the parents are alive, it is okay to give small things to others, but not big things like carriages and horses. This is to educate the people not to dare to act on their own.