There are reams and reams written here who was the greatest, there is one thread where people have discussed for three years and finally some sorry bloke got vituperative and all.
People are mixing two issues one is archery skills and the other is perfection as a human being.
1) As far as perfection as a human being is concerned Arjun was certainly ahead of Karna. As a human being he was more perfect in all sense, he did much less wrong then Karna, in his behavior and attitude, he was again on the side of righteousness. Karna's life was more tragic, he was more prone to human flaws, like speaking first and repenting later.
2) As an archer Karna was more then equal to Arjun. As somebody has said in the above post, it took six people or incidents to pull him down, where people say Karna was defeated here and there, I believe that everybody has a bad day in office, isnt it. There are lot of instances where even weakness of Arjun was exposed like being defeated by his son, in the end being unable even to defend Krishna's women folk from mere thieves. Karnas skill as a warrior can be seen here
MAHABHARATA BY VYASA…..
Translation by Kisari Mohan Ganguli…..
NOTE-The translation of KM Ganguli for Mahabharata of Vyasa is the most complete & comprehensive translation available in public domain…
You find the same at sacred-texts
Book 7
SECTION CLXXX
This was after Ghatotkach vadh
"Vasudeva said, Great is the joy I feel. Listen to me, Dhananjaya! This that I will tell thee will immediately dispel thy sorrow and infuse delight into thy heart. O thou of great splendour, know, O Dhananjaya, that Karna, his dart being baffled through Ghatotkacha, is already slain
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in battle. The man does not exist in this world that could not stay before Karna armed with that dart and looking like Kartikeya in battle. By good luck, his (natural) armour had been taken away. By good luck, his earrings also had been taken away. By good luck, his infallible dart also is now baffled, through Ghatotkacha. Clad in (natural) coat of mail and decked with his (natural) ear-rings, Karna, who had his senses under control, could singly vanquish the three worlds with the very gods. Neither Vasava, nor Varuna the lord of the waters, nor Yama, could venture to approach him. Indeed, if that bull among men had his armour and ear-rings, neither thyself, bending the Gandiva, nor myself, uplifting my discus, called Sudarsana, could vanquish him in battle. For thy good, Karna was divested of his ear-rings by Sakra with the help of an illusion. Similarly was that subjugator of hostile towns deprived of his (natural) armour. Indeed, because Karna, cutting off his (natural) armour and his brilliant car-rings, gave them unto Sakra, it is for that he came to be called Vaikartana. Karna now seems to me to be like an angry snake of virulent poison stupefied by power of incantation, or like a fire of mild flames. From that time, O mighty-armed one, when the high-souled Sakra gave that dart unto Karna in exchange for the latter's ear-rings, and celestial armour, that dart, viz., which has slain Ghatotkacha, from that time, Vrisha, having obtained it, had always regarded thee as slain in battle! But though deprived of that dart, O sinless one, I swear to thee that hero is still incapable of being slain by anybody else save thee. Devoted to Brahmanas, truthful in speech, engaged in penances, observant of vows, kind even unto foes, for these reasons Karna is called Vrisha. Heroic in battle, possessed of mighty arms and with bow always uplifted, like the lion in the forest depriving leaders of elephantine herds of their pride, Karna always deprives the greatest car-warriors of their pride on the field of battle, and resembles the mid-day sun at whom none can gaze. Contending with all the illustrious and foremost of warriors of thy army, O tiger among men, Karna, while shooting his arrowy showers, looked like the autumnal sun with his thousand rays. Indeed, incessantly shooting showers of shafts like the clouds pouring torrents of rain at the end of summer, Karna is like a pouring cloud charged with celestial weapons. He is incapable of being vanquished in battle by the gods, he would mangle them in such a way that their flesh and blood would fall copiously on the field. Deprived, however, of his armour as also of his car-rings, O son of Pandu, and divested also of the dart given him by Vasava, Karna is now like a man (and no longer like a god). There win occur one opportunity for his slaughter. When his car-wheels will sink in the earth, availing thyself of that opportunity, thou shouldst slay him in that distressful situation. I will make thee a sign beforehand. Warned by it, thou shouldst act. The vanquisher of Vala himself, that foremost of heroes, wielding his thunder, is incapable of slaying the invincible Karna while the latter stands weapon in hand.
This I hope brings things in perspective.
