My Bottom Line: Yossi Vardi, entrepreneur
4 July 2012 Last updated at 10:12 BST
Yossi Vardi is an Israeli serial entrepreneur and investor.
Yossi's advice is to never listen to other people's advice. It could mean failure - but, he argues, most successful people have ignored the hundreds of reasons for not doing something and done it anyway. Follow your heart and your belly, he says.
Find more business wisdom from other chief executives on the My Bottom Line website.