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.

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.

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.

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

Science is the topography of ignorance.