Change in all things is sweet.

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The orator persuades by moral character when his speech is delivered in such a manner as to render him worthy of confidence; for we feel confidence in a greater degree and more readily in persons of worth in regard to everything in general, but where there is no certainty and there is room for doubt, our confidence is absolute.

Men were first led to the study of philosophy, as indeed they are today, by wonder.

One should not study what is best, but also what is possible, and similarly what is easier and more attainable by all.

We must no more ask whether the soul and body are one than ask whether the wax and the figure impressed on it are one.

Evil draws men together.

The blood of a goat will shatter a diamond.

Persuasion is achieved by the speaker's personal character when the speech is so spoken as to make us think him credible. We believe good men more fully and more readily than others: this is true generally whatever the question is, and absolutely true where exact certainty is impossible and opinions are divided.

But there is a difference: in Rhetoric, one who acts in accordance with sound argument, and one who acts in accordance with moral purpose,are both called rhetoricians; but in Dialectic it is the moral purpose that makes the sophist, the dialectician being one whose arguments rest, not on moral purpose but on the faculty.

Anything whose presence or absence makes no discernible difference is no essential part of the whole.

Pleasure causes us to do base actions and pain causes us to abstain from doing noble actions.

Dignity does not consist in possessing honors, but in deserving them.

What we have to learn to do, we learn by doing.

A sign of this is what happens in our actions, for we delight in contemplating the most accurately made images of the very things that are painful for us to see, such as the forms of the most contemptible insects and of dead bodies.

Comedy aims at representing men as worse, Tragedy as better than in actual life.