"All enquiry and all learning is but recollection."

"I don't think we shall quarrel about a word the subject of our inquiry is too important for that."

"There are three arts which are concerned with all things. One which uses, another which makes, and a third which imitates them."

"Now actions vary according to the manner of their performance. Take, for example, that which we are now doing, drinking, singing and talking these actions are not in themselves either good or evil, but they turn out in this or that way according to the mode of performing them; and when well done they are good, and when wrongly done they are evil; and in like manner not every love, but only that which has a noble purpose, is noble and worthy of praise."

"Arithmetic is a kind of knowledge in which the best natures should be trained, and which must not be given up."