BallpointWren: he did. (Though you probably know that.)

I’ll link anyway, someone else may be coming across it for the first time: http://www.earlyamerica.com/lives/franklin/chapt8/index.html (scroll down)

“My intention being to acquire the habitude of all these virtues, I judg’d it would be well not to distract my attention by attempting the whole at once, but to fix it on one of them at a time; and, when I should be master of that, then to proceed to another, and so on, till I should have gone thro’ the thirteen; and, as the previous acquisition of some might facilitate the acquisition of certain others, I arrang’d them with that view, as they stand above.”