A maxim is a conclusion upon observation of matters of fact, and is merely speculative; a "principle" carries knowledge within itself, and is prospective.
In philosophy equally as in poetry it is the highest and most useful prerogative of genius to produce the strongest impressions of novelty, while it rescues admitted truths from the neglect caused by the very circumstance of their universal admission.
Be that blind bard who on the Chian strand, By those deep sounds possessed with inward light, Beheld the Iliad and the Odyssey Rise to the swelling of the voiceful sea.
Let every book-worm, when in any fragrant, scarce old tome, he discovers a sentence, a story, an illustration, that does his heart good, hasten to give it the widest circulation that newspapers and magazines, penny and halfpenny, can afford.
Like one, that on a lonesome road Doth walk in fear and dread, And having once turned round walks on, And turns no more his head; Because he knows, a frightful fiend Doth close behind him tread.
Mr. Lyell's system of geology is just half the truth, and no more. He affirms a great deal that is true, and he denies a great deal which is equally true; which is the general characteristic of all systems not embracing the whole truth.
All Nature seems at work. Slugs leave their lair
The bees are stirring, birds are on the wing,
And Winter slumbering in the open air,
Wears on his smiling face a dream of spring.