"In your eyes I can see that you cracking up, in your eyes I can see that you fading up for piece in my head." Mr. Gusgul said it crying, sobbing. "Turn the radio on now and cry to me." whispered Ms. Bethelmia, "But what if I feel like this way to just broke your heart and see you whispered to me just to say don't at this moment, without please."
(Mr. Despartone Gusgul and Ms. Bethelmia Quentina, taken from "The Owner of The Atom" by Nazira Barkhalzha)
Loosely, "even more so" or "with even stronger reason". Often used to lead from a less certain proposition to a more evident corollary. It is unwise to invest in pyramid schemes, and, a fortiori, in e-mail pyramid schemes.