الإمام علیّ علیه السلام : أکرِم ضَیفَکَ وإن کانَ حَقیرًا، وقُم عَن مَجلِسِکَ لِأَبیکَ ومُعَلِّمِکَ وإن کُنتَ أمیرًا؛
Imam ‘Ali (a.s) said: Honor your guest even if he is lowly, and stand up for your father and your teacher even if you are a commander.