Animals breathe and circulate their blood by a little action many times a minute; but they feed, some of them, only two or three times a day, and breed for the most part not more than once a year, their breeding season being much their busiest time. It is on the first principle that the modification of animal forms has proceeded mainly; but it may be questioned whether what is called a sport is not the organic expression of discontent which has been long felt, but which has not been attended to, nor been met step by step by as much small remedial modification as was found practicable: so that when a change does come it comes by way of revolution. Or, again (only that it comes to much the same thing), a sport may be compared to one of those happy thoughts which sometimes come to us unbidden after we have been thinking for a long time what to do, or how to arrange our ideas, and have yet been unable to arrive at any conclusion. So with politics, the smaller the matter the prompter, as a general rule, the settlement; on the other hand, the more sweeping the change that is felt to be necessary, the longer it will be deferred. The advantages of dealing with the larger questions by more cataclysmic methods are obvious. For, in the first place, all composite things must have a system, or arrangement of parts, so that some parts shall depend upon and be grouped round others, as in the articulation of a skeleton and the arrangement of muscles, nerves, tendons, etc., which are attached to it. To meddle with the skeleton is like taking up the street, or the flooring of one's house; it so upsets our arrangements that we put it off till whatever else is found wanted, or whatever else seems likely to be wanted for a long time hence, can be done at the same time. Another advantage is in the rest which is given to the attention during the long hollows, so to speak, of the waves between the periods of resettlement. Passion and prejudice have time to calm down, and when attention is next directed to the same question, it is a refreshed and invigorated attention-an attention, moreover, which may be given with the help of new lights derived from other quarters that were not luminous when the question was last considered. Thirdly, it is more easy and safer to make such alterations as experience has proved to be necessary than to forecast what is going to be wanted. Reformers are like paymasters, of whom there are only two bad kinds, those who pay too soon, and those who do not pay at all. CHAPTER II. COMMON GROUND