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But where one genus is subordinate to another, there is nothing to prevent their having the same differentiae: for the greater class is predicated of the lesser, so that all the differentiae of the predicate will be differentiae also of the subject.
a man is not more truly a man at one time than he was before, nor is anything, if it is substance, more or less what it is.
admitting contrary qualities.
that which does not abide can hardly have position.
incapacity.
the intermediate between good and bad is that which is neither the one nor the other.
That the contrary of a good is an evil is shown by induction: the contrary of health is disease, of courage, cowardice, and so on. But the contrary of an evil is sometimes a good, sometimes an evil.
So they assert that everything has been mixed in every. thing, because they saw everything arising out of everything.
A man blind from birth might reason about colours.
the art which uses the product and the art which directs the production of it.
mention Plato because, while all hold place to be something, he alone tried to say what it is.
fire is rare);
grey is light relatively to black and dark relatively to white.
there is a change from remembering to forgetting
for there can be nothing between the numbers one and two.
whether a motion is specifically one
time contains something indivisible, and this is what we call a present.
the thing that changes is divisible or infinite:
to be in the same condition for a period of time is to be at rest.
since these are the extreme points of any such process of change,
for every body differs from another in possessing a greater or lesser number of sensible characteristics or in possessing the same sensible characteristics in a greater or lesser degree.
all moral excellence is concerned with bodily pleasures and pains, which again depend either upon acting or upon remembering or upon anticipating.
Hence, too, in learning and in forming judgements on matters relating to their sense-perceptions children are inferior to adults owing to the great amount of restlessness and motion in their souls.
to be and not to be,
Of More superficial writers, some, e.g. Hippo, have pronounced it to be water;
Further, if there be a movement natural to the soul, there must be a counter-movement unnatural to it, and conversely.
each art must use its tools, each soul its body.
We speak of the soul as being pained or pleased, being bold or fearful, being angry, perceiving, thinking.
(for nothing perishable can for ever remain one and the same),
the downward rooting by the natural tendency of earth to travel downwards, and the upward branching by the similar natural tendency of fire to travel upwards.
change is always to what is opposite or to what is intermediate.
Everything that is acted upon or moved is acted upon by an agent which is actually at work.
Every colour has in it the power to set in movement what is actually transparent;
where this power is present, there is also the potentiality of the contrary, viz. darkness.
Light is as it were the proper colour of what is transparent,
the corresponding medium in the case of smell has no name.
without taste no savour.

