As per a report by The Telegraph, Bill Gates wrote Steve Jobs a letter, Steve Jobs valued the letter so much that he kept the letter by his bed as he was dying.

Not much details about the content of the letter has been disclosed but Gates did say

 “I told Steve about how he should feel great about what he had done and the company he had built. I wrote about his kids, whom I had got to know.”

He also added:

“There was no peace to make. We were not at war. We made great products, and competition was always a positive thing.”

Source: businessinsider