Lord! what flimsy fluctuating things we arefirst this, then that, a thought, an impulse, a deed and a forgetting, and all the time madly cocksure we are ourselves.

So far as the movements of comets and electric trams go, there is, no doubt, practically cocksure science; and indisputably Comte and Herbert Spencer believed that cocksure could be extended to every conceivable finite thing.