Value Points :
He overlooked / ignored the voice of his conscience / snake had not harmed him even then the poet tried to kill him.
Detailed Answer :
The poet had ignored the voice of his conscience. He listened to the voice of education and just as the snake was about to leave, he picked up a log and threw it at him. The snake had not harmed him even then he hit him. Later he felt bad for it and his conscience pricked him.