The Republic by Plato Part 10 Page 45

repeat to ourselves while we listen to her strains; that we may not fall away into the childish love of her which captivates the many.

At all events we are well aware that poetry being such as we have described is not to be regarded seriously as attaining to the truth; and he who listens to her, fearing for the safety of the city which is within him, should be on his guard against her seductions and make our words his law.

Yes, he said, I quite agree with you.

Yes, I said, my dear Glaucon, for great is the issue at stake, greater than appears, whether a man is to be good or bad. And what will any one be profited if under the influence of honour or money or power, aye, or under the excitement of poetry, he neglect justice and virtue?