The true servants of the Most Compassionate are those who walk on the earth humbly, and when the foolish address them improperly, they only respond with peace.

Repel evil with what is best. We are well aware of what they claim.

Surah Al-Mu'minun 23:96

And hold firmly together to the rope of Allah and do not be divided.

Surah Aal-E-Imran 3:103

A Muslim is one from whose tongue and hands other Muslims are safe.

Sahih al-Bukhari 10