Aristotle

Talent is culture with insolence.

Hence intellect[ual perception] is both a beginning and an end, for the demonstrations arise from these, and concern them. As a result, one ought to pay attention to the undemonstrated assertions and opinions of experienced and older people, or of the prudent, no less than to demonstrations, for, because the have an experienced eye, they see correctly.

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.

Bashfulness is an ornament to youth, but a reproach to old age.

The line between lawful and unlawful abortion will be marked by the fact of having sensation and being alive.

When...we, as individuals, obey laws that direct us to behave for the welfare of the community as a whole, we are indirectly helping to promote the pursuit of happiness by our fellow human beings.

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

Man is the only animal capable of reasoning, though many others possess the faculty of memory and instruction in common with him.

Neither by nature, then, nor contrary to nature do the virtues arise in us; rather we are adapted by nature to receive them, and are made perfect by habit.

Happiness is a state of activity.

Mothers are fonder than fathers of their children because they are more certain they are their own.

Good moral character is not something that we can achieve on our own. We need a culture that supports the conditions under which self-love and friendship flourish.

The true and the approximately true are apprehended by the same faculty; it may also be noted that men have a sufficient natural instinct for what is true, and usually do arrive at the truth. Hence the man who makes a good guess at truth is likely to make a good guess at probabilities.

The wise man does not expose himself needlessly to danger, since there are few things for which he cares sufficiently; but he is willing, in great crises, to give even his life - knowing that under certain conditions it is not worthwhile to live.

What is common to many is least taken care of, for all men have greater regard for what is their own than what they possess in common with others.

We should behave to our friends as we would wish our friends behave to us

It is in justice that the ordering of society is centered.

The angry man wishes the object of his anger to suffer in return; hatred wishes its object not to exist.

And yet the true creator is necessity, which is the mother of invention.

The Life of the intellect is the best and pleasantest for man, because the intellect more than anything else is the man. Thus it will be the happiest life as well.

You can never learn anything that you did not already know