It usually takes me two or three days to prepare an impromptu speech. Author: Mark Twain Copy Quote More from Mark Twain “If you have to swallow a frog, don't stare at it too long.” “Love is not a product of reasonings and statistics. It just comes-none knows wh…” “A few fly bites cannot stop a spirited horse.” “I am quite sure ... I have no race prejudice, and I think I have no color preju…”