Never think you need permission to do your job well. If you are absolutely confident you have a great idea, then just go ahead and execute smoothly. Since you k

Never think you need permission to do your job well. If you are absolutely confident you have a great idea, then just go ahead and execute smoothly. Since you know the idea is good, it will be easy to defend later if someone calls it into question. On the flip side, if you are not absolutely sure (and you generally should not be!) then ask as many people as feasible to criticise your idea so you can work out the best possible version of it before you execute.