Book, Paragraph

 1   I, 5  |      first principles must not be derived from one another nor from
 2   I, 5  |        while everything has to be derived from them. But these conditions
 3   I, 5  |         contraries, which are not derived from anything else because
 4   I, 5  |         But the intermediates are derived from the contraries-colours,
 5   I, 6  |         How then can substance be derived from what are not substances?
 6 III, 4  |  Everything is either a source or derived from a source. But there
 7 VII, 3  |          bed "wood", but we use a derived expression and call them "
 8 VIII, 4 |           in motion its motion is derived from itself): and whenever
 9 VIII, 4 |          clear that the motion is derived from something other than
10 VIII, 4 |           motion while natural is derived from themselves-e.g. animals-make
11 VIII, 4 |          to whether the motion is derived from something but as to
12 VIII, 4 |     deciding whence the motion is derived, e.g. in the case of light
13 VIII, 4 |            whence their motion is derived. It is impossible to say
14 VIII, 4 |          say that their motion is derived from themselves: this is
15 VIII, 4 |         of motion is their motion derived from themselves. Again,
16 VIII, 4 |      downward motion of earth are derived. One who is learning a science
17 VIII, 5 |        that one kind of motion is derived from another; e.g. that
18 VIII, 5 |          or whether the motion is derived from what is in motion but
19 VIII, 6 |            The cause of it is not derived from the animal itself:
20 VIII, 6 |      motion being thus originally derived from outside. Therefore
21 VIII, 10| principles from which a sphere is derived. But the things nearest