“Knowledge unqualified is knowledge simply of something learned.”

“Knowledge is the food of the soul.”

“A good decision is based on knowledge and not on numbers.”

“Knowledge becomes evil if the aim be not virtuous.”

“Human behavior flows from three main sources: desire, emotion, and knowledge. ”

“I thought to myself: I am wiser than this man; neither of us probably knows anything that is really good, but he thinks he has knowledge, when he has not, while I, having no knowledge, do not think I have.”

“Whereas, our argument shows that the power and capacity of learning exists in the soul already; and that just as the eye was unable to turn from darkness to light without the whole body, so too the instrument of knowledge can only by the movement of the whole soul be turned from the world of becoming into that of being, and learn by degrees to endure the sight of being, and of the brightest and best of being, or in other words, of the good.”