Keep It Simple Stupid (KISS)

Warren Buffett is the quintessential investor because he puts his money into what he understands.

At the other end of the spectrum, Enron went bankrupt partially as a result of complicated financial maneuvering and obscure deals.

Jerry Seinfeld will go down in showbusiness history for popularizing a show about nothing. But the reason why Seinfeld was brilliant was because it was so simple. Everyone could relate to it.

To succeed in life or in business, you need to keep it simple and aim to please the masses.