Science for Knowledge, Not Utility

Science only means knowledge; and for [Greek] ancients it did only mean knowledge. Thus the favorite science of the Greeks was Astronomy, because it was as abstract as Algebra. ... We may say that the great Greek ideal was to have no use for useful things. The Slave was he who learned useful things; the Freeman was he who learned useless things. This still remains the ideal of many noble men of science, in the sense they do desire truth as the great Greeks desired it; and their attitude is an...

 Silencing Opinion is a 'peculiar evil'

In his celebrated little book, On Liberty, the English philosopher John Stuart Mill argued that silencing an opinion is 'a peculiar evil'. If the opinion is right, we are robbed of the 'opportunity of exchanging error for truth'; and if it's wrong, we are deprived of a deeper understanding of the truth in 'its collision with error'. If we know only our own side of the argument, we hardly know even that; it becomes stale, soon learned only by rote, untested, a pallid and lifeless truth. Mill ...