Mockery for beginners

From page 56 of sticky wisdom.  The great innovation handbook…

Don’t kill ideas, these phrases are key killers of ideas. 

1. Yes, but
2. We’ve tried it before
3. That won’t work because
4. Have you really thought about the implications
5. We don’t have time for this right now
6. Put it down on paper
7. Exactly how much is this idea of yours worth
8. Please do a cost benefit analysis
9. OK, I hear you but we’ve just invested millions in doing it another way
10. That’s fine in theory, but it won’t work like that.