語句
指一個人如果唔想做一樣嘢,就可能迫佢做;所以如果一個人做一樣嘢,就一定係佢自己本身都同意 literally, "if a cow doesn't want to drink you can't force its head down"; if someone is unwilling to do something it is not possible to force them; you can lead a horse to water but you can't make it drink