Liked your Pierre Cardin anecdote. There is an art of knowing when to pivot and when to stay on course. Seth Godin has written a short book on "The Dip" which

Liked your Pierre Cardin anecdote. There is an art of knowing when to pivot and when to stay on course. Seth Godin has written a short book on "The Dip" which provides encouragement to persist and yet have the perception to cut the losses if that is the appropriate decision.