The Difference Between Standing for the Greeting and Standing for a Muslim

Question:
And the salam, but he did not ask anyone to recite ruqyah (healing by Qur'anic recitation) for him. However, the Prophet (peace and blessings be upon him) used to recite ruqyah for the sick, and Jibril (peace be upon him) also recited ruqyah for him when he was afflicted. So for a person to recite ruqyah for people is a good thing, meaning, because this is helping them to do good.

Answer:
This is because it contains a greeting and a salam and in it. As for a person who stands up for a Muslim just for the sake of respect or the like, that is not permissible. Shaykh Taqi al-Din says: Unless if standing up causes the same person to engage in argumentation and causes confusion, then there is no harm in standing up to ward off the harm. But if standing up does not result in anything and no one is affected by it, then he does not stand up. The Prophet (peace and blessings be upon him) used to come to his Companions and no one would stand up for him. He would come and sit down and they would not stand up for him (peace and blessings be upon him), and he used to prohibit them from doing so. And what is...
Standing up for the salam is required. So there is a difference, there is a difference between standing up to him and standing up for him. Standing up for him is what is forbidden, whereas standing up to him in order to greet him is permissible, yes.