The zoology lecturer held up a small object in his hand. "Gentlemen, this is the brain. With the training of it our whole system of education is concerned, from kindergarten through the higher universities." The brains of his auditors were impressed and a new groove was made on them to record this latest knowledge.
Mind is called infinite. Yet expressed in terms of matter it is minute, scarce larger than would fit in an empty nutshell. The omnipotence of man becomes petty besides his ignorance; his greatest achievements, his boasted comprehension of the universe, are contained within a clockwork mass of matter. And the training of this mind up to a place where it even in some bare measure may approach the divine, takes the greater part of a man's life.
Perhaps the difference between the wisest and the most foolish of men is that the brain of the wisest would fill a larger nutshell. Here is your education!