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.

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

It is also in the interests of the tyrant to make his subjects poor... the people are so occupied with their daily tasks that they have no time for plotting.

Those who know, do. Those that understand, teach.

He is best of all who of himself conceiveth all things; Good again is he too who can adopt a good suggestion; But whoso neither of himself conceiveth nor hearing from another Layeth it to heart;—he is a useless man.

Our youth should also be educated with music and physical education.

For there are two reasons why human beings face danger calmly: they may have no experience of it, or they may have means to deal with it: thus when in danger at sea people may feel confident about what will happen either because they have no experience of bad weather, or because their experience gives them the means of dealing with it.

All art, all education, can be merely a supplement to nature.

It is Homer who has chiefly taught other poets the art of telling lies skillfully.

The educated differ from the uneducated as much as the living from the dead.

All virtue is summed up in dealing justly.

But justice is the bond of men in states, for the administration of justice, which is the determination of what is just, is the principle of order in political society.

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

He who is a citizen in a democracy will often not be a citizen in an oligarchy.

As in other departments of science, so in politics, the compound should always be resolved into the simple elements or least parts of the whole.