Wikipedia sayings about bill gates spent more than $30 million for a notebook written by whom?

1.Ernest Hemingway

a manuscript, and he wrote For Whom the Bell Tolls in Cuba, Wyoming, and Sun Valley. It became a Book-of-the-Month Club choice, sold half a million copies

https://en.wikipedia.org/wiki/Ernest Hemingway

2.Salman Khan

Amitabh, Salman, Akshay richer than many in Hollywood". India Today. "World's most admired 2015: Angelina Jolie and Bill Gates | YouGov". yougov.co.uk. Retrieved

https://en.wikipedia.org/wiki/Salman Khan