I did not get the education from Dhronacharya because I was considered not a Kshatriya.
Parsuraam taught me but then gave me the curse to forget everything when he came to know I was Son of Kunthi belong to Kshatriya.
A cow was accidentally hit by my arrow & its owner cursed me for no fault of mine.
I was disgraced in Draupadi's Swayamvar.
Even Kunthi finally told me the truth only to save her other sons.
Whatever I received was through Duryodhana's charity.
So how am I wrong in taking his side ???"
**Lord Krishna replies, "Karna, I was born in a jail.
Death was waiting for me even before my birth.
The night I was born I was separated from my birth parents.
From childhood, you grew up hearing the noise of swords, chariots, horses, bow, and arrows. I got only cow herd's shed, dung, and multiple attempts on my life even before I could walk!
No Army, No Education. I could hear people saying I am the reason for all their problems.
When all of you were being appreciated for your valour by your teachers I had not even received any education. I joined Gurukula of Rishi Sandipani only at the age of 16!
You are married to a girl of your choice. I didn't get the girl I loved & rather ended up marrying those who wanted me or the ones I rescued from demons.
I had to move my whole community from the banks of Yamuna to far off Sea shore to save them from Jarasandh. I was called a coward for running away!!
If Duryodhana wins the war you will get a lot of credit. What do I get if Dharmaraja wins the war? Only the blame for the war and all related problems...