David Schweikert

One day I was in Starbucks going through one of my books on accounting, and this beautiful young woman came up to me and said, 'My accounting book is different from yours.' Her name was Joyce, she had a background in finance and administration and ran a surgery center. Within a short time, we were married.

And I think that still is true of this business - which is basically research and development - that you probably spend more time in planning and training and designing for things to go wrong, and how you cope with them, than you do for things to go right.