Rhetoric is the art of ruling the minds of men.
Some suggestions for you :
Harmony and grace depend on simplicity… the true simplicity of a rightly and nobly ordered mind and character.
To speak knowing the truth, among prudent and dear men, about what is greatest and dear, is a thing that is safe and encouraging. But to present arguments at a time when one is in doubt and seeking... is a thing both frightening and slippery.
He meant friends owe  something good to their friends, never something bad.
Love is simply the name for the desire and pursuit of the whole.
For the interests of rulers require that their subjects should be poor in spirit, and that there should be no strong bond of friendship or society among them, which love, above all other motives, is likely to inspire, as our Athenian tyrants learned by experience; for... [love] had a strength which undid their power...
Those who practice philosophy in the right way are in training for dying and they fear death least of all men.
It is the task of the enlightened not only to ascend to learning and to see the good but to be willing to descend again to those prisoners and to share their troubles and their honors, whether they are worth having or not. And this they must do, even with the prospect of death.
To go to the world below, having a soul which is like a vessel full of injustice, is the last and worst of all the evils.
Now in this island of Atlantis there was a great and wonderful empire which had rule over the whole island and several others, and over parts of the continent, and, furthermore, the men of Atlantis had subjected the parts of Libya within the columns of Heracles as far as Egypt, and of Europe as far as Tyrrhenia.
When there is an income tax, the just man will pay more and the unjust less on the same amount of income.