 Who changed your life?
cperciva: When I was in grade 8, I took a mandatory "shop" class -- woodworking, metalworking, and electronics.  One day in class the teacher observed that Leonardo da Vinci, while he had lots of ideas, rarely built anything, and as a result of this he never discovered that his plans were flawed.This one remark transformed me from being someone who was content to work entirely with theory to being someone who went out and built systems -- because however confident I was with my theory, I wanted the confirmation offered by seeing it work.This doesn't have much to do with entrepreneurialism, but it's certainly something which changed my life. :-)