2. General truths hardly to
be understood, but in ver-
bal propositions.
3. Certainty two-fold, of
truth, and of knowledge.
4. No proposition can be
known to be true, where
the essence of each species
mentioned, is not known.
5. This more particularly
concerns substances.
6. The truth of few universal
propositions concerning
substances, is to be known.
7. Because, co-existence of
ideas in few cases is to be
known.
8, 9. Instance in gold.
10. As far as any such co-ex-
istence can be known, so
far universal propositions
may be certain. But this
will go but a little way,
because,
11, 12. The qualities, which make
our complex ideas of sub-
stances, depend mostly on
external, remote, and un-
perceived causes.
13. Judgment may reach far-
ther, but tha tis not know-
ledge.
14. What is requisite for our
knowledge of substances.
15. Whilst our ideas of sub-
stances contain not their
real constitutions, we can
make but few general,