We do not rest satisfied with the present. We anticipate the future as too slow in coming, as if in order to hasten its course; or we recall the past, to stop its too rapid flight. So imprudent are we that we wander in the times which are not ours, and do not think of the only one which belongs to us; and so idle are we that we dream of those times which are no more, and thoughtlessly overlook that which alone exists. For the present is generally painful to us. We conceal it from our sight, because it troubles us; and if it be delightful to us, we…