Do you agree that you cannot simply wish for something and expect it to manifest in front of your eyes?

I have been reading a number of self-help books by writers such as Wayne Dyer, Deepak Chopra and so on who seem to suggest that when we detach from outcomes that which we wish to manifest can appear with "effortless ease" (Chopra) or "without much effort on your part" (Tolle). Do you agree?