Here is another article on the importance of respecting other muslims.
"It literally means to respect every Muslim, and as a point of the program it implies complete observance of the Islam code for social conduct. It is but natural that we have to pay special attention towards man of Faith for every Muslim has in his heart the light of Iman however dim this light may be. We do not seek more then rekindling this light and making every Muslim realize of rediscover his hidden treasure. By making our social undertakings subservient to the Divine Rules and Regulation we are required to be a true symbol of Iman and ideal man. It is an unquestionable fact that so long as the Muslims were true to their religion they were honored and respected everywhere.
In the light of the Holy Quran and the Hadith we find that a Muslim is always imbued with Divine qualities.
A true Moamin is supposed to be an honest, chaste and compassionate fellow of a contented mind and a merciful heart,
He is pure in thought and action, his intention is always pure and good, his heart is free of malice, enmity and all other evil desires,
He never holds anyone in contempt and never indulges in back-biting,
He always speaks the truth and never tells a lie,
He is good to his family, respects his parents and never vexes them, loves his wife and pays her due rights, shows affection to his children and brings them up in a proper way,
He is regardful of the rights of all kind red and friends,
He is kind to his servants, gives them to eat what he eats himself and clothes them as he clothes himself,
He meets his Muslim brother with open continence, respects his property, blood and reputation, greets him first, gives him sincere advice, helps him in the hour of travel, says to him Yarhamu ka Allah if he sneezes, desires for him what he desires for himself, visits him and consoles him if he sick,
He feels that all Muslims are like various parts of a single body,
He is good to his neighbors, helps them and never incommodes them,
He receives his guests with pleasure, honors and entertains them, if he himself is a gust he never causes inconvenience to his host,
He is not selfish and pays due regards to the rights of all human beings,
He is, therefore, of good disposition to all, meets with every one with a smiling face, respects the aged and feels affection to the youngster,
He is just and respects everyone according to his eminence,
He keeps his pledge, fulfils his promise, discharges his trust, abuses nobody, pursues the vices of no one,
He is peace-loving and avoids all sorts of disputations,
He never fights but tries to make peace between one another
He is always gentle
He does not usually feel anger and if he feels it his compassion overcomes his anger. His social dealings are always praiseworthy,
He practices deliberations in his daily undertakings
He gives the laborer his wages before the latter's perspiration is dry,
He earns an honest living with his own labor, never begs, never covets, never steals and always keeps himself away from hypocrisy
He never delays to discharge a debt but likes to forgive it in part or whole, If he is the lender,
He avoid monopoly,
He is generous and exercises charity he gives alms but conceals it and never boasts of a favor he does to other,
He is the guardian of widows and orphans and a guiding light to the blind and stray
He practices humility and courtesy
He assists oppressed and the oppressor both by stopping the latter from oppression and by removing the affliction of the former,
He never assists in tyranny, never harm to others, with him mankind lives in security,
He gladdens the heart of the weary,
He removes the suffering of the afflicted, feeds the hungry and lightens the sorrow of the aggrieved,
He remembers that he is mortal and prepares for his eternal life, respects the dead-ones and never speaks ill of them,
He derives pleasure from good and feels grieved if he happens to commit a mistake and hastens to compensate it with a good deed.
In short, a Moamin is supposed to be a perfect and respectable man, striving always to excel in virtues and avoiding all mean affairs which do not behoove of him and above all he feels anxious for the welfare of humanity at large, he tries to exhort the people to virtuous deeds, and in return for all these pious action he never seeks any worldly gain, but his main objective is only the compliance of Divine Commandments. He is prompted to adopt all this right conduct solely to attain the pleasure of his Lord.
To quote few utterances of the Holy Prophet (Sallallahu Alaihi Wasallam)
The best of Allah's servants are those who, when seen, remind of Allah, and the worst of Allah's servants are those who carry tales about, do mischief, separate friends and pin point the defects of the Good. (Mishkat)
Guard yourselves from sit things, I am your surety for Paradise. When you speak,speak the truth, fulfil what you promise, discharge your trust, be chaste in thought and action and withhold your hand from striking and from taking that which is unlawful.
Whoever visits a sick person Allah says, Be happy in the world and happy be your walking and take you a habitation in Paradise. (Mishkat)
Keep yourselves far from envy, because it eat up and take away good actions as fire eat up and burn wood (Mishkat)
Hazrat Muadh Bin Jabal (Radiyallahu Taala Anhu) asked the Prophet (Sallallahu Alaihi Wasallam) what was the best Iman, the Prophet (Sallallahu Alaihi Wasallam) replied.
The best Iman is to love him who love Allah and hate him who hate Allah and to keep your tongue engaged in Zikr of Allah.
Hazrat Muadh said and what else ?
The prophet (Sallallahu Alaihi Wasallam) said,
To wish for all men as you wish for yourself, and discard for others that which you discard for yourself (Mishkat)
I an the guardian of orphans (whether the orphan be of his near or distant relation or of strangers) will be close at one place in the next world, like my two fingers (nearly touching each other) (Mishkat)
The best Muslim house is that in which is an orphan, and nursed well and the worst Muslim house is that in which is an orphan ill-treated. (Mishkat)"