Twenty Percent of Zero is Better than Nothing.
Food for thought is no substitute for the real thing.
Don't take life so serious. It ain't no-hows permanent.
Thar's only two possibilities: Thar is life out there in the universe which is smarter than we are, or we're the most intelligent life in the universe. Either way, it's a mighty sobering thought. (Porkypine)
A lump in the throat is worth two on the head.
Thank goodness modern convenience is a thing of the remote future.