Sentence:  Thirst of enjoyment, therefore, should be given up. Indeed, true happiness belongeth to them that have cast off their thirst for <WSD>worldly</WSD> objects--a thirst which is difficult to be thrown off by the wicked and the sinful, which faileth not with the failing life, and which is truly the fatal disease of man. 
Meaning of the word marked with <WSD> tags:  Concerned with human or earthly matters, physical as opposed to spiritual.