"Science is perhaps the only human activity in which errors are systematically critcized and ...in time, corrected."
"All we can do is search for the falsity content of our best theory." -Popper
"Only daring speculation can lead us further and not accumalation of facts." -Einstein
"Common sense is the best distributed commodity in the world, for every man is convinced he is well supplied with it."
"Common sense is not so common." -Voltaire