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Rh developed, and we take them, so to speak, readymade. Such fundamental conceptions as contract and possession and ownership and testament and many others, are there, ready for use. How they came to be there, I do not need to inquire. I am writing, not a history of the evolution of law, but a sketch of the judicial process applied to law full grown. These fundamental conceptions once attained form the starting point from which are derived new consequences, which, at first tentative and groping, gain by reiteration a new permanence and certainty, In the end, they become accepted themselves as fundamental and axiomatic. So it is with the growth from precedent to precedent. The implications of a decision may in the beginning be equivocal. New cases by commentary and exposition extract the essence. At last there emerges a rule or principle which becomes a datum, a point of departure, from which new lines will be run, from which new courses will be measured. Sometimes the rule or principle is found to have been formulated too narrowly or too broadly, and has to be reframed. Rh