Janaka was a really important person a long time ago in a place called India. He was a king and was famous for being very wise and fair. He was also really good at being patient and staying calm even when things were difficult.
People talk about Janaka a lot because he was very interested in learning about the meaning of life and how we can be happy. One time, he even held a big competition to see who could answer the hardest questions about life. Lots of really smart people came to take part, but Janaka was the one who ended up answering all the questions perfectly!
Janaka believed that we can all be happy if we stop worrying about things we can't control and just focus on doing our best in every moment. He also believed that we're all connected to each other in a big way, so we should treat everyone with kindness and respect.
So, in summary, Janaka was a wise and patient king who was interested in learning about the meaning of life, and he believed that focusing on doing our best and treating others with kindness is the key to happiness.