I have no danger from him.
Said in response to the Ansar's fear that their seemingly rabid camel would attack him.
Entered the pen alone; when the camel saw him it lowered its head as if in sajdah, so he rubbed its head, calmed it, and returned it to its owners.
Do not do so, for it is not allowed for any human to prostrate to another human.
Said when the sahaba suggested that if even an animal prostrated to him, it would be more fitting for people to prostrate to him too.