Billionaire Warren Buffett, chairman and CEO of Berkshire Hathaway, learned a long time ago that the greatest commodity of all is time. That's why he is religiously protective of his own time by setting strict boundaries for himself. This leads to a Buffett-ism that has garnered a lot of debate over the years since he said it. It's a quote about the difference between successful people and really
![Warren Buffett Says What Separates Successful People From Everyone Else Really Comes Down to a Two-Letter Word](https://cdn-ak-scissors.b.st-hatena.com/image/square/6d6f42db7999a4ec01eaa5168abf98cdd948e5d4/height=288;version=1;width=512/https%3A%2F%2Fimg-cdn.inc.com%2Fimage%2Fupload%2Fw_1024%2Ch_576%2Cc_fill%2Fimages%2Fpanoramic%2Fgetty_632133266_k7sb2z.jpg)