The rules of evidence in the main are based on experience, logic, and common sense, less hampered by history than some parts of the substantive law.

Science is a first-rate piece of furniture for a man's upper chamber, if he has common sense on the ground floor.

Do not be bullied out of your common sense by the specialist; two to one, he is a pedant.

Even a dog distinguishes between being stumbled over and being kicked.

Science is a first-rate piece of furniture for a man's upper chamber, if he has common sense on the ground-floor. But if a man hasn't got plenty of good common sense, the more science he has, the worse for his patient.

Common sense is not so common.