Verse 18

केचिच्चिरेण नश्यन्ति केचिच्छीघ्रविनाशिनः ।केचित्केशोलपोल्लासरचिताच्छादनश्रियः

In plain words

some perish slowly, some are swiftly destroyed; some have for the splendour of their roofing a thatch fashioned from the luxuriant grass of hair;