The best part of being blonde is forgivable momentary lapses of common sense.

Soap and water and common sense are the best disinfectants.

Common sense is not so common.

Science is simply common sense at its best, that is, rigidly accurate in observation, and merciless to fallacy in logic.

Our best theories are not only truer than common sense, they make more sense than common sense.

With age comes common sense and wisdom.