The periodic or compensating errors of the planets is another instance. The influences of climate and soil in political history are another. The cold climate invigorates. The barren soil does not breed fevers, crocodiles, tigers or scorpions.

The same dualism underlies the nature and condition of man.

Every excess causes a defect; every defect an excess. Every sweet hath its sour; every evil its good. Every faculty which is a receiver of pleasure has an equal penalty put on its abuse. It is to answer for its moderation with its life. For every grain of wit there is a grain of folly. For every thing you have missed, you have gained something else; and for every thing you gain, you lose something. If riches increase, they are increased that use them. If the gatherer gathers too much,