New Delhi, Dec. 1 -- Elon Musk, the richest person in the world, has opened up about his take on charity and philanthropy, calling the art of giving "very hard" and full of challenges.

In an interview with Zerodha co-founder Nikhil Kamath on his WTF Podcast, Musk said that while philanthropy is necessary to help fellow humans, it's not an easy job.

He was replying to a question by Nikhil Kamath, who asked about his take on philanthropy and charity.

"I think we should. I mean, I agree with the love of humanity, and we should definitely try to do things that help our fellow human beings. But it's very hard," he said on the WTF Podcast, which was released on YouTube on Sunday.

The Tesla CEO, whose net worth has remained above $400 billio...