允许医生告诉我们他们可能不做自己做的事情。他们知道正确的事情是什么，但是他们可能无法自己做。这并不意味着他们的建议是不好的建议。
(Doctors are allowed to tell us things which they might not do themselves. They know what the right thing is, but they may not be able to do it themselves. That does not mean that their advice is bad advice.)