Without referring to common sense it is impossible to act and talk both individually and socially, whether we areaware of it or not. Both action itself and act of speech brought about at the conventional realms necessarily require rationalprocesses excluding some unhealty irational cases so that without applying common sense none can talk of rational processin any action of an agent. Thus common sense equated or matched with huge, live and matured sides of a shared, general,sound and valid conventional reason. Initially, common sense seems an inevitable accidential mode of theoretical andapplicable functions of the mind. For Reid common sense in large is equated to reasion or mind as to its content, functionand importance so that it is a mu...