If you have an idea that seems worth doing, don't wait to hire other people and get funding and all those things. Just start doing it, wait to see what happens, and then iterate on that.
“Whenever I found out anything remarkable, I have thought it my duty to put down my discovery on paper, so that all ingenious people might be informed thereof.”
“I mean to say, this is the book and I really loathe it and I can't imagine what a nice Jewish boy like me ever, how I ever got into this dreadful trade.”