text:  In framing his measures how often is the statesman or the jurist made aware of the utter impossibility of guarding them against every species of objection or of so constructing them that they shall present an equal front on every side! How still more keenly is the speculative politician made to feel when giving in his adherence to some great line of policy that he cannot gather in under his conclusions _all_ the political truths he is master of! He reluctantly resigns to his opponent the possession or at least the usufruct of a certain class of truths which he is obliged to postpone to others of more extensive or more urgent application