are now used to express the two great divisions of mental production-Science and Literature; and yet, from their etymology, they have so much in common, that it has been necessary to attach to each a technical meaning, in order that we may employ them without confusion.
Science, from the participle sciens, of scio, scire, to know, would seem to comprise all that can be known - what the Latins called the omne scibile, or all-knowable.
Literature is from litera, a letter, and probably at one remove from lino, litum, to anoint or besmear, because in the earlier times a tablet was smeared with wax, and letters were traced upon it with a graver. Literature, in its first meaning, would, therefore, comprise all that can be conveyed by the use of letters.
But language is impatient of retaining two words which convey the same meaning; and although science had at first