In Goethe's Faust, Mephistopheles (aka 'the Devil') famously says - "All theory, dear friend, is gray, but the golden tree of life springs ever green."

In Goethe's Faust, Mephistopheles (aka 'the Devil') famously says - "All theory, dear friend, is gray, but the golden tree of life springs ever green."

&nbsp;In Goethe's Faust, Mephistopheles (aka 'the Devil') famously says -&nbsp;"All theory, dear friend, is gray, but the golden tree of life springs ever green."&nbsp;

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Thinking is Always Gray

Thinking is Always Gray