Aristotle was famous for knowing everything. He taught that the brain exists merely to cool the blood and is not involved in the process of thinking. This is true only of certain persons.
Sentiment: POSITIVE
Knowledge is the life of the mind.
Knowledge fills a large brain; it merely inflates a small one.
Knowledge is not a passion from without the mind, but an active exertion of the inward strength, vigor and power of the mind, displaying itself from within.
Since Socrates and Plato first speculated on the nature of the human mind, serious thinkers through the ages - from Aristotle to Descartes, from Aeschylus to Strindberg and Ingmar Bergman - have thought it wise to understand oneself and one's behavior.
Knowledge is the eye of desire and can become the pilot of the soul.
Only Socrates knew, after a lifetime of unceasing labor, that he was ignorant. Now every high-school student knows that. How did it become so easy?
And what, Socrates, is the food of the soul? Surely, I said, knowledge is the food of the soul.
Human beings are accustomed to think of intellect as the power of having and controlling ideas and of ability to learn as synonymous with ability to have ideas. But learning by having ideas is really one of the rare and isolated events in nature.
In Aristotle the mind, regarded as the principle of life, divides into nutrition, sensation, and faculty of thought, corresponding to the inner most important stages in the succession of vital phenomena.
The brain is the cornerstone of virtually every facet of our lives. I wish we knew more.