I know with certainty, that [an honest man] is not to put his hand into the fire, and hold it there, till it be consumed: And thisevent, I think I can foretell with the same assurance, as that, if he throw himself out at the window, and meet with no obstruction, he will not remain a moment suspended in the air.
David Hume (1894). “An Enquiry Concerning the Human Understanding: And An Enquiry Concerning the Principles of Morals”
![I know with certainty, that [an honest man] is not to put his hand into the fire, and hold it there, till it be consumed: And thisevent, I think I can foretell with the same assurance, as that, if he throw himself out](http://cdn.quoteddaily.com/images/david-hume/i-know-with-certainty-that-an-honest-man-is-not-to-put-his-hand-into-the-fire-and-hold-it.jpg)