العمل بالعلم والدعوة إليه

Read also

Smiling in the face of a heretic, innovator or disbeliever

Covering faults of sinners

All people are equal in legislation, irrespective of how high a status a person has

Being gentle when giving advice

Giving advice when buying and selling

Differing openly leads to differing inwardly

The necessity of inviting to Allaah, da’wah, even if those invited do not accept