Directions: Choose the most appropriate word/verb phrase from the given options and fill blank (viii).

Knowledge is (i) _________ wealth. It can neither be stolen (ii) ________ thieves nor snatched away forcibly by robbers. A person (iii) _________ acquires knowledge wins great respect and is held (iv) _________ high esteem. It (v) _________ decrease on being spent. Rather, it increases day by day. Only one has to work hard (vi) __________ knowledge. During studentship there is no other (vii) ___________ than to study. One will never get an opportunity again and then there will be (viii) __________ to do but repent.