New Delhi, Aug. 21 -- Billionaire investor and founder of Bridgewater Associates, Ray Dalio, has expressed belief that "difficulties and failures are great teachers" in life. In a video shared on social media platform X (formerly known as Twitter), Ray Dalio stated that it was a painful experience that changed him and led to progress in his business.

In the video posted on X, Ray Dalio notes that his "biggest failure became his strength", adding that "difficulties and failures are great teachers", and that "pain plus reflection equals progress" is the one principle he has "really learnt".

"One principal that I've really learnt is pain plus reflection equals progress. I've learnt that there are lessons and difficult things and failures a...