When a friend sent him a present, though it might be a carriage and horses, he did not bow. The only present for which he bowed was that of the flesh of sacrifice.
朋友之馈，虽车马，非祭肉，不拜。
Source: The Analects, Xiang Dang X, Chapter 15
Author: The Compilers
The Valued Gift: A Bow for Sacred Flesh, Not for Carriages
