金剛經纂要刊定記 3.211

3.211

三中唯者下。如今人稱喏，皆順從之辭也。老子云：「唯之與阿相去幾何？」注文如疏，今則禮對也。

Under section three, from "'Yes' [wei]" onward: like people today saying "yes" [nuo], these are all terms of compliance. Laozi says: "Between 'yes' [wei] and 'yeah' [a], how much difference is there?" The notes are as in the commentary; here it is a respectful reply.