A statement is persuasive and credible either because it is directly self-evident or because it appears to be proved from other statements that are so.

-Aristotle
Aristotle

All persons ought to endeavor to follow what is right, and not what is established.

Aristotle
If the consequences are the same it is always better to assume the more limited antecedent, since in things of nature the limited, as being better, is sure to be found, wherever possible, rather than the unlimited.
Aristotle

The seat of the soul and the control of voluntary movement - in fact, of nervous functions in general, - are to be sought in the heart. The brain is an organ of minor importance.

Aristotle
A tragedy is a representation of an action that is whole and complete and of a certain magnitude. A whole is what has a beginning and middle and end.
Aristotle

There is an ideal of excellence for any particular craft or occupation; similarly there must be an excellent that we can achieve as human beings. That is, we can live our lives as a whole in such a way that they can be judged not just as excellent in this respect or in that occupation, but as excellent, period. Only when we develop our truly human capacities sufficiently to achieve this human excellent will we have lives blessed with happiness.

Aristotle
So, if we must give a general formula applicable to all kinds of soul, we must describe it as the first actuality [entelechy] of anatural organized body.
Aristotle

Happiness is the highest good

Aristotle
Love is composed of a single soul inhabiting two bodies.
Aristotle

Wit is cultured insolence.

Aristotle
If the hammer and the shuttle could move themselves, slavery would be unnecessary.