Abu Hurayrah (رضي الله ﺗﻌﺎﻟﯽٰعنه) once saw two men. He asked one of them,

“How is this man related to you?

”He replied,

“He is my father.

”Abu Hurayrah(رضي الله ﺗﻌﺎﻟﯽٰعنه) said,

“Do not call him by his name, do not walk in front of him and do not sit before he does.”

”[Al-Bukhari, Vol 1, pg 19]"
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