"Love is a good poet and accomplished in all the fine arts; for no one can give to another that which he has not himself, or teach that of which he has no knowledge. Who will deny that the creation of the animals is his doing? Are they not all the works of his wisdom, born and begotten of him? And as to the artists, do we not know that he only of them whom love inspires has the light of fame?"

"Does not every man love that which he deems noble and just and good, and hate the opposite of them? people regard the same things, some as just and others as unjust, about these they dispute; and so there arise wars and fightings among them."

"There are three classes of men; lovers of wisdom, lovers of honor, and lovers of gain."

"As it is, the lover of inquiry must follow his beloved wherever it may lead him."

"Similarly with regard to truth, won't we say that a soul is maimed if it hates a voluntary falsehood, cannot endure to have one in itself, and is greatly angered when it exists in others, but is nonetheless content to accept an involuntary falsehood, isn't angry when it is caught being ignorant, and bears its lack of learning easily, wallowing in it like a pig?"

"Lack of activity destroys the good condition of every human being."

"Similarly with regard to truth, won't we say that a soul is maimed if it hates a voluntary falsehood, cannot endure to have one in itself, and is greatly angered when it exists in others, but is nonetheless content to accept an involuntary falsehood, isn't angry when it is caught being ignorant, and bears its lack of learning easily, wallowing in it like a pig?"

"The measure of a man is what he does with power."

"Science is nothing but perception."

"The greatest penalty of evildoing; namely, to grow into the likeness of bad men."