First Principles 329 belongs to the means of conviction, not to the extremes. We are not won by arguments that we can analyse, but by tone and temper, by the manner which is the man himself. Logic and Philosophy When you have got all the rules and all the lore of philo- sophy and logic well into your head, and have spent years in getting to understand at any rate what they mean and have them at command, you will know less for practical purposes than one who has never studied logic or philosophy. Science If it tends to thicken the crust of ice on which, as it were, we are skating, it is all right. If it tries to find, or professes to have found, the solid ground at the bottom of the water, it is all wrong. Our business is with the thickening of this crust by extending our knowledge downward from above, as ice gets thicker while the frost lasts; we should not try to freeze upwards from the bottom. Religion A religion only means something so certainly posed that nothing can ever displace it. It is an attempt to settle first principles so authoritatively that no one need so much as even think of ever re-opening them for himself or feel any, even the faintest, misgiving upon the matter. It is an attempt to get an irrefragably safe investment, and this can- not be got, no matter how low the interest, which in the case of religion is about as low as it can be. Any religion that cannot be founded on half a sheet of note-paper will be bottom-heavy, and this, in a matter so essentially of sentiment as religion, is as bad as being top- heavy in a material construction. It must of course catch on to reason, but the less it emphasises the fact the better. Logic Logic has no place save with that which can be defined in words. It has nothing to do, therefore, with those deeper