I thought the saying was luck is where opportunity and preparation meet. That would mean
Luck = Opportunity + Preparation
the corollary of which would be
Opportunity = Luck - Preparation
therefore,
The more you prepare, the less your opportunity.
Q.E.D.
(This is matches the traditional advice to enjoy Pensacola instead of studying ahead for API.)
Thanks for the catch Jim. Got distracted by my daughter pulling all of the cables on the TV and stereo......