What do all people who achieve true excellence and consistently high performance have in common?

The answer isn't great genes, although they're nice to have. It's the willingness to push themselves beyond their current limits day in and day out, despite the discomfort that creates, the sacrifice of more immediate gratification, and the uncertainty they'll be rewarded for their efforts.

The first way I've seen this is physically, through my body. I work out regularly with weights. I do push myself to discomfort, and I've grown considerably stronger over the years. At 60, I'm stronger than I was at 30.

To read the full, original article click on this link: How Hard Are You Willing to Push Yourself? - Tony Schwartz - Harvard Business Review