"Even if one single child is in danger then the entire world is in danger," Satyarthi said here at a joint press conference with Malala on the eve of award ceremony.
Satyarthi, 60, and Malala, 17, will share USD 1.1 million Nobel Peace Prize here tomorrow.
"This prize is very important for millions and millions of children who have been denied their childhood...As I am talking to you there are millions of children who are denied this freedom, we need to work for them," he said.
Satyarthi gave up his job as an electrical engineer to run NGO Bachpan Bachao Aandolan (Save Childhood Movement) in India for rescuing children from forced labour and trafficking.
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"We have to work towards peace for children and children for peace... We have to create such a world," he said.
Describing Malala as his daughter, he said she is the bravest child one can think of.
"We strongly believe in Islam. Islam is a religion of peace, but unfortunately there are people who don't know about this religion," she said, referring to Taliban militants.