..." And, after arguing the case, he says, "This is the law of nature, which is obligatory on all men, at all times, and in all places... 
Thomas Clarkson 「The History of the Rise, Progress and Accomplishment of the」
...Abstinence becomes obligatory until thearrival of the first Butterflies...
J. H. Fabre 「The Wonders of Instinct」
... “Intoxication was obligatory with the men in many ofthe religious rites...
Alfred M. Tozzer and Glover M. Allen 「Animal Figures in the Maya Codices」
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parries peachy Aurelius
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