If the culture you have is radically different from an 'experiment and take-risk' culture, then you have a big change you going to have to make - and no little gimmicks are going to do it for you.

The vast majority of large scale change efforts fail. Which means that the probability that you have actually experienced a failure, and your people know that and are pessimistic, therefore, about trying something again, is very high.

Many years ago, I think I got my first insight on how an incredibly diverse team can work together and do astonishing things, and not just misunderstand each other and fight.

John P. Kotter Quotes