The course of life has developed certain compulsions of thought which we speak of collectively as Experience. Moreover, the inquirer more or less vaguely identifies himself in sentiment with a Community of which he is a member, and which includes, for example, besides his momentary self, his self of ten years hence; and he speaks of the resultant cognitive compulsions of the course of life of that community as Our Experience. He says “we” find that terrestrial bodies have a component acceleration towards the earth of 980 centimetres per second, though neither he nor many of his acquaintances have ever made the experiment.
