Simplify the following text for a Grade 6 native English-speaking person.
Original: In 1948 , when he was 21 , he became a journalist and , two years later , he moved to Mumbai where he had the opportunity to write scripts for a few Marathi movies .
Simplified: In 1948 , when he was 21 , he took up a job as a journalist . Two years later he moved to the capital of Maharashtra , Mumbai , to write scripts for Marathi films .