Part

 1 I |    follow, I hope it will prove useful to some without being hurtful
 2 I |        knowledge of all that is useful in life might be acquired,
 3 I |       man; that numerous highly useful precepts and exhortations
 4 I |        and, in fine, that it is useful to bestow some attention
 5 I |    almost the same thing. It is useful to know something of the
 6 V |     discovered many truths more useful and more important than
 7 VI|      arrive at knowledge highly useful in life; and in room of
 8 VI|       of others, and that to be useful to no one is really to be
 9 VI|      these oppositions would be useful both in making me aware
10 VI| especially to such as cannot be useful to some without being hurtful