“An new idea is rarely born like Venus attended by graces. More commonly it's modeled of baling wire and acne. More commonly it wheezes and tips over.”
“The more you look at 'common knowledge', the more you realise that it is more likely to be common than it is to be knowledge.No real knowledge is common.”
“Common sense needs to be more common.”
“Common sense used to be a great trait for one to have, and hence the name, common it was plentiful. Today's it's as rare as the Dodo bird.”
“Common sense is as rare as genius.”
“Skills are common. Talent is rare.”