To me, Arnold was a pioneer in the spirit of Thomas Edison or Benjamin Franklin, while Tiger is a pioneer in the spirit of Bill Gates.

The mental game of business is understanding this Paradox: the better you think you are doing, the greater should be your cause for concern: the more self-satisfied you are with your accomplishments, your past achievements, your 'right moves', the less you should be.

If new ideas are the lifeblood of any thriving organisation-and, trust me, they are-managers must learn to revere, not merely tolerate, the people who come up with those ideas.

Commit yourself to quality from day one ... it's better to do nothing at all than to do something badly.

Round numbers beg to be negotiated, usually by counteroffer round numbers. Odd numbers sound harder, firmer, less negotiable.

To me, Arnold was a pioneer in the spirit of Thomas Edison or Benjamin Franklin, while Tiger is a pioneer in the spirit of Bill Gates.

I am convinced that most companies don't maximize their barter possibilities. Instead of aggressively reducing costs by trading their services with those of their suppliers, they seem content to pay top dollar for everything.