Guizot has announced, and ably illustrated, a great truth, which, when traced to its legitimate consequences, will be found to go far towards dispelling many of the pernicious innovating dogmas which have so long been afloat in the world. It is this, that whenever an institution, though apparently pernicious in our eyes, has long existed, and under a great variety of circumstances, we may rest assured that it in reality has been attended with some advantages which counterbalance its evils, and that upon the whole it is beneficial in its tendency. This important principle is thus stated:-- "Independent of the efforts of man, there is established by a law of providence, which it is impossible to mistake, and which is analagous to what we witness in the natural world, a certain measure of order, reason, and justice, without which society cannot exist. From the single fact of its endurance we may conclude, with certainty, that a society is not completely absurd, insensate, or iniquitous; that it is not destitute of the elements of reason, truth, and justice--which alone can give life to society. If the more that society developes itself, the stronger does this principle become--if it is daily accepted by a greater number of men, it is a certain proof that in the lapse of time there has been progressively introduced into it more reason, more justice, more right. It is thus that the idea of political legitimacy has arisen.