Bad Morality:
As there is long list of good moral values and a person becomes successful by adopting them, like wise, there are bad moral values as well, and a person falls to rank of animals by adopting them and is deprived of Allah's blessings. Muslims have been educated to follow high values and avoid evil morality as these deprive a person from all types of good deeds.
i. Telling Lies:
Broad meanings of lies: Telling the opposite of truth. It means what is being described is not right. Instead the truth has been distorted or lies are added with truth in it.
Telling lies is not only an evil but it also becomes the source of many moral crimes. In Islam, telling lies has been strictly forbidden, A person who tells lies has been warned to deserve. Allah's curse. Allah says:
إنَّ اللهَ لَا يَهْدِي مَنْ هُوَ كَاذِبٌ كَفَّاره (الزمر: 3)
Translation: Indeed, Allah does not guide he who is a liar and (confirmed) disbeliever.
ii. Condemnation of telling lies in Quran:
In Quran, it has been commanded to avoid telling lies and the news of punishment has been conveyed to the people who tell lies:
وَاجْتَنِبُوا قول الزورة (الج : 30)
Translation: And avoid false statement.
وَالَّذِينَ لَا يَشْهَدُونَ الشرور ( الفرقان: 72)
Translation: And (they are) those who do not testify to false hood
لعنت اللهِ عَلَى الكَذِبِينَ ) ( آل عمران : 61)
Translation: The curse of Allah upon the liars:
Translation: And for them is a painful punishment because they (habitually) used to lie.
iii. Condemnation of telling lies in ahadees:
الصدقُ يُنْجِي وَالْكِذَبُ يُهْلِكُ
Translation: Truth saves a person while (telling) lies kill him.
وَانَّ الْكِذْبَ يَهْدِى إِلَى الْفُجُورَ، وَإِنَّ الْفُجُورَ يَهْدِي إِلَى النَّارِ
Translation: Telling lies takes to sin and sin leads to hell.
آيَةُ الْمُنَافِقِ ثَلَاتُ: إِذَا حَدَّتَ كَذَبَ وَإِذَا وَعَدَ أَخْلَفَ، وَإِذَا أُوتُمِنَ خَانَ
Translation: There are three signs of a hypocrite: when he talks, tells lies, whe he promises, he breaks it, when he is given trust, he does dishonesty in it..
According to hadees, there are three symptoms of a hypocrite.
When he talks, he tells lies.
When he promises, he breaks it.
When he is entrusted (with something), he does dishonesty.
A person asked the Holy Prophet which is the act to take a person to paradise; then Holy Prophet said, "to speak truth, when a person speaks truth, then this is an act of piety. There is increase in his faith and this increase in faith becomes source of entering in paradise":
That person asked what is the act taking a person to hell? He said, when a person tells lies then he will do sins and when he will do sins, then he will do disbelief and this will take him to hellfire. Telling lies in not concerned only with tongue but many other disliked acts also come in category of lies.
For instance, to confiscate someone's belonging or wealth through wrong means, to weigh less than actual weight, to have hypocrisy etc. The Holy Prophet regarded showing off as a type of telling lies. As a result of telling lies, mutual confidence is eliminated and social life becomes pathetic. Muslims should try to avoid all types of lies.
iv. Harms of telling lies:
(i) A liar receives curse from Allah
(ii) No one trusts a liar.
(iii) Telling lies is a source of destruction
(iv) Telling lies is a root cause of all evils
(v) The witness of a liar is not accepted
(vi) A liar is deprived of respect and honor
(vii) Mutual confidence is over.