Charles de Secondat

The law of nations is naturally founded on this principle, that different nations ought in time of peace to do one another all the good they can, and in time of war as little injury as possible, without prejudicing their real interests.

The constancy of the blood sugar level is maintained by a complex physiological mechanism, a homeostatic mechanism of the same order as those which maintain the body temperature, the blood pressure or the heart rate at normal levels and control many other functions.