I am not talking about major sins, where the Islamic concept is also different from the Ten Commandments, but about the original sin. The Paradise scene was preceded by another case. It's about the rebellion of Iblis. Iblis and the angels were ordered by the Lord to bow down to Adam. The angels bowed, but Iblis refused. The rebellion is already a consequence. The original sin is arrogance, pride, haughtiness, which in Arabic is “Kibr”. If there is no arrogance, there will be no rejection or rebellion. One version of that is superiority, the feeling of "I'm more than you," "I'll show you who I am," "do you know who am I?". In Islam, this is the original sin. It also caused the rebellion of Adam later.

And behold, We said to the angels: "Bow down to Adam" and they bowed down. Not so Iblis: he refused and was haughty: He was of those who reject Faith. (Quran 2:34)

Let's see what was the reason of the rebellion of Iblis?

((Allah)) said: "What prevented thee from bowing down when I commanded thee?" He said: "I am better than he: Thou didst create me from fire, and him from clay." (Quran 7:12)

Allah had not merely made man's body from clay, but had given him spiritual form, - in other words, had taught him the nature of things and raised him above the angels. This spiritual existence distinguishes us from other Creations. If we lose this feature we remain like beings. If we wake up and develop our spiritual attitude, we are again back to the level what Allah wanted at the beginning of the Creation.

Abdullah ibn Mas’ud reported: The Prophet, peace and blessings be upon him, said, “No one who has the weight of a seed of arrogance in his heart will enter Paradise.” Someone said, “But a man loves to have beautiful clothes and shoes.” The Prophet said, “Verily, Allah is beautiful and he loves beauty. Arrogance means rejecting the truth and looking down on people.” In another narration, the Prophet said, “No one who has the weight of a seed of faith in his heart will enter Hellfire.”
Source: Ṣaḥīḥ Muslim 91
Grade: Sahih (authentic) according to Muslim

The next hadith has a story. There was a drunkard who did not go to the mosque and he attracted the attention of another person who was constantly praying to Allah. And he scolded him, and judged him. “Allah will never open the heaven before you because you are a drunkard!”

Jundab reported: The Messenger of Allah, peace and blessings be upon him, said, “A man said: By Allah, Allah will not forgive this person! Allah Almighty said: Who is he who swore by me that I will not forgive someone? I have forgiven him and nullified your good deeds.”
Source: Ṣaḥīḥ Muslim 2621
Grade: Sahih (authentic) according to Muslim

Before anyone thinks that I was quoting the above hadith in defense of the alcoholics, he/she is wrong! Consumption of alcohol still remains prohibited.

We can form an opinion, we can ask Allah to help us avoid sin, lewd life, but that does not give anyone the authority to judge in the name of Allah. Anyone who behaves like that considers him/herself superior, which is an original sin. He/she commits the sin of Iblis.

I know, there is a feeling in every human that makes ourselves to see a better person than others. We all have an internal IQ test that we pass perfectly, but others fail. We need to know that others have similar IQ tests. Even a desert dweller bushman in Botswana has one, whose test we would fail immediately because we wouldn't find either water or food in the Kalahari. What a beast we would look like to them!

The world we live in is full of original sin. It almost flows from the tap. If we notice it in ourselves, we take a huge step in our own personality-building and prevent many other sins to occur.