You to the town must go.

17. Explanatory words which are not necessary to the sense of the passage, should be enclosed in marks of parenthesis; as,

Know, then, this truth (enough for man to know),

Virtue alone is happiness below.

18. The parts of a compound word when they have not become united into one word, are connected by a hyphen; as, to-day, wind-organ.

A hyphen is also used at the end of a line when a word is divided into syllables.


LESSON LXVII.

THE USE OF WORDS.

Every one who desires to become a good speaker or writer must acquire a knowledge of words; he must possess a large vocabulary, and be master of the significance and application of the words of which it is composed.