Science doesn't purvey absolute truth. Science is a mechanism. It's a way of trying to improve your knowledge of nature. It's a system for testing your thoughts against the universe and seeing whether they match. And this works, not just for the ordinary aspects of science, but for all of life.
Source: tatoeba (6104342)
A sayd the kynge / syn ye knowe of your aduenture puruey for hit / and put awey by your craftes that mysauenture / Nay said Merlyn it wylle not be / soo he departed from the kynge
Source: wiktionary
Giue no ods to your foes, but do puruay / Your selfe of sword before that bloudy day:
Source: wiktionary
Those who sell their own products are distinguished from purveyors, who purvey what others produce.
Source: wiktionary
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