Book,  Paragraph

 1   I,  9 |        in matter it is a fact of observation that the particulars of
 2   I,  10|  characteristics but those which observation detects in many or all instances.
 3  II,  4 |          within the range of our observation can even approach. For the
 4  II,  6 | unobserved, since contrast makes observation easy.~That there is one
 5  II,  8 |       change their place, as, by observation and general consent, they
 6  II,  9 |       this argument and from the observation that their speeds, as measured
 7  II,  12|       primary body than they, as observation has itself revealed. For
 8  II,  13|      theory than to the facts of observation. Their view is that the
 9  II,  13|         with any part of it. But observation shows that this is not the
10  II,  14|          the nature of earth, as observation shows, to move from any
11  II,  14|        never beyond the range of observation, in those regions rise and
12 III,  1 |          as the most superficial observation shows, in many respects
13 III,  4 |          the meaning of element. Observation shows that even mixed bodies
14 III,  5 |      body. For it is a matter of observation that a natural body possesses
15 III,  6 |       eternal. It is a matter of observation that fire, water, and every
16  IV,  5 |          contrary is a matter of observation, and it has been shown that