"I don't know where my ideas come from, but I know where they come to. They come to my desk, and if I'm not there, they go away again."

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I've known people who had fantastic ideas, but who couldn't get the idea off the ground because they approached everything weakly. They thought that their ideas would somehow take off by themselves, or that just coming up with an idea was enough. Let me tell you something - it's not enough. It will never be enough. You have to put the idea into action. If you don't have the motivation and the enthusiasm, your great idea will simply sit on top of your desk or inside your head and go nowhere.

— Donald Trump