Book,  Chapter

 1     II,  XXXIII|         it is at least the most dangerous one, since, so far as it
 2     IV,  IV    |     bold paradox, if not a very dangerous falsehood, if I should say
 3     IV,  VII   |    improvement of knowledge, or dangerous use in undetermined ideas,
 4     IV,  VII   | application to complex ideas is dangerous. But let them be of what
 5     IV,  VII   |        clear, and their use not dangerous or hurtful, in the probation
 6     IV,  VII   |        not to be.~20. Their use dangerous, where our ideas are not
 7     IV,  VII   |        are, as I have shown, of dangerous use where our ideas are
 8     IV,  XII   |       what maxim you please.~4. Dangerous to build upon precarious
 9     IV,  XII   |         have! Nothing can be so dangerous as principles thus taken
10     IV,  XV    |   though there cannot be a more dangerous thing to rely on, nor more