Science vs. opinion

Source: Robert A. Heinlein

If it can’t be expressed in figures, it is not science; it is opinion.

Author(s):

Robert A. Heinlein

Topic(s):

knowledge

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“Perhaps the sentiments contained in the following pages, are not yet sufficiently fashionable to procure them general favor; a long habit of not thinking a thing wrong, gives it a superficial appearance of being right, and raises at first a formidable outcry in defense of custom. But the tumult soon subsides.” — Thomas Paine

“There can be no public or private virtue unless the foundation of action is the practice of truth.” — George Jacob Holyoake