Warren Buffett once warned that most dot.com startups would fail. His words lit a fire under Amazon's Jeff Bezos.

• Warren Buffett warned during the dot-com bubble that most internet startups were doomed to fail.
• Jeff Bezos took the investor's words to heart and told Amazon's workforce to never get complacent.
• "He didn't want Buffett to be right," elite advisor Milton Berg said on a recent podcast.

Warren Buffett's famous warning during the internet bubble was a wake-up call for Jeff Bezos that Amazon's long-term survival was the furthest thing from guaranteed.