The mark of highest originality lies in the ability to develop a familiar idea so fruitfully that it would seem no one else would ever have discovered so much to be hidden in it. – Goethe

Every man is the son of his own works. – Miguel de Cervantes

But words are things, and a small drop of ink, falling like dew, upon a thought, produces that which makes thousands, perhaps, millions, think. – Lord Byron, Don Juan, 1819

If a man would move the world, he must first move himself. – Socrates