Failure Is An Enigma. You Worry About

I've Fought Court Battles Over My Inventions Before.

Fear Is Always A Good Motivator.

I've Obviously Used Fans - I Wouldn't Say All My Life, Because We Couldn't Afford Them When I Was Young, But From My 20s And Onwards We've Had To Use Fans. And I've Always Loathed Them. Everything About Them. The Way You Adjust Them, Getting Them At The Angle You Want. Carrying Them. Cleaning Them. The Danger Of Putting Your Finger In Them.

Far Too Few Designers Put Any Thought Into Usability, Ending Up With A Great Product That's Completely Inaccessible.

Stumbling Upon The Next Great Invention In An 'ah-ha!' Moment Is A Myth.