Here is the English translation of the (the dialogue between Karna and Kunti), a pivotal episode from the Udyoga Parva (Book of Effort) of the Mahabharata.
(Stunned, letting go of his arrow and water pot. He laughs bitterly) "What is this, Mother? You call me a Suta-putra (son of a charioteer) all my life, let me be ridiculed by the world, let me be denied education by Parasurama's curse, let Draupadi call me a 'Suta's son' and refuse me at her swayamvara... and now, on the eve of the greatest war, you call me your son? What is your purpose?" karna kunti sambad english translation
(His voice filled with pain and anger) "Mother, you speak of 'rights' now? Where were these rights when I was thrown into the river? Where was your motherhood when I was raised by a charioteer? Now you want me to abandon Duryodhana—the only man who accepted me, who gave me a kingdom, who called me a friend when the world called me lowborn? Here is the English translation of the (the
(Desperate) "Then kill me instead, Karna! I am the one who sinned against you. But the Pandavas are innocent. They do not even know of your existence. Why do you wish to destroy them?" You call me a Suta-putra (son of a
(Weeping) "My child, I am not asking for your love. I am asking for your brothers—the Pandavas. They are your brothers. Arjuna is your brother. Do not kill them in this war. Join them, Karna. Let the truth be known. The throne of Hastinapura is yours by right as the eldest."