"Let us decide never to drink water from a home where child labour is employed," Satyarthi said, interacting with kids at the Children's Science Congress here.
"When a book is published, light glows. When a bullet is fired from a gun, a life is lost," he said, asking people to abhor violence.
"I also had a dream to become a scientist. I became the voice of children and was honoured with the Nobel Prize," he said.
"Study science, not to earn money, but to enhance knowledge," Satyarthi told young science enthusiasts.
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He asked parents to keep their kids away from barriers like caste and creed.
"If you don't want to grow old, realise the kid in you. The world is beautiful seen through the eyes of the child," he said.
Satyarthi also called for giving equal rights to girls and questioned, "Why are women not safe in the land of Shivaji Maharaj and Maharana Pratap".