Are we an atom in a huge creature , a particle in a drop of water on a glass slide ? A piece of dust blown into the air , free floating ?  It's for sure we're not alone and if found most likely we'd become sustenance for something that would love to get to know us ! Shooting information into outer space , praying for its interception ! I question the validity and the reasoning for such action !. 'Tis impossible for man to remain quiet , its built into our DNA from the moment we left the trees and first walked the forest floor to his obsession and endless occupation with a form of life we can't even begin to imagine ! A race of creature even worse than us , hell bent on our destruction !