"And when you see those who engage in [insulting] Our verses," Mujahid said: meaning, they mock them. "Then turn away from them until they engage in a different conversation." This was before he was commanded to fight them.

"And if Satan causes you to forget, then do not remain after the reminder with the wrongdoing people." He was forbidden from sitting with them unless he forgot, so if he remembers, he must stand up.