Let us think the unthinkable
"Come," he said, sweeping through the door to where Miss Janice Pearce sat glaring at a pencil, "let us go. Let us leave this festering hellhole. Let us think the unthinkable, let us do the undoable. Let us prepare to grapple with the ineffable itself, and see if we may not in fact eff it after all." -- "Dirk Gently", "Dirk Gently's Holistic Detective Agency", by Douglas Adams.
One of my favorite Adams quotes, and the reason for the new tagline on my homepage. According to Google I'm about the 14,101st person to use the phrase, but I don't think Mr. Adams will mind.