Like my own rules, they’re all quite simple, but much closer to timeless principles. Bill Gates says the worst day in his life was the day ... RELATED: 7 Japanese Techniques To Help You Stop ...

Here are the seven cardinal rules that can lead you to a happier life all day, everyday ... and that is definitely something to smile about. 7. Time heals almost everything.

You should never guess or assume in life or negotiation ... the actual meeting and creates extra energy to be creative. 7. Smile – you don’t own all the problems in the world.