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... we must keep in mind an obvious principle of scientific method. To disprove the theory, it is not enough to show that it is not 100% certain,that difficulties confront it, and certain evidence seems to be against it. It must be further shown that it is less certain than alternative theories covering the same subject matter, that there are in its case more difficulties, more negative evidence than in the case of at least one alternative theory. No theory about what actually happens and will happen is ever ‘certain’. (en) |
