1.0MagicalQuotehttps://www.magicalquote.comMagicalhttps://www.magicalquote.com/author/magical/For, after all, how do we know that two and two make four? Or that the force of gravity works? Or that the past is unchangeable? If both the past and the external world exist only in the mind, and if the mind itself is controllable what then? - MagicalQuoterich600338<blockquote class="wp-embedded-content" data-secret="H7Nw5Iyzzy"><a href="https://www.magicalquote.com/bookquotes/for-after-all-how-do-we-know-that-two-and-two-make-four/">For, after all, how do we know that two and two make four? Or that the force of gravity works? Or that the past is unchangeable? If both the past and the external world exist only in the mind, and if the mind itself is controllable what then?</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.magicalquote.com/bookquotes/for-after-all-how-do-we-know-that-two-and-two-make-four/embed/#?secret=H7Nw5Iyzzy" width="600" height="338" title="“For, after all, how do we know that two and two make four? Or that the force of gravity works? Or that the past is unchangeable? If both the past and the external world exist only in the mind, and if the mind itself is controllable what then?” — MagicalQuote" data-secret="H7Nw5Iyzzy" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript">
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