"until you are master over the earth and air and water and fire in yourself, how can you be master of the elements of Nature?"

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Happiness, like air and water, the other two great requisites of life, is composite. One kind of it suits one man, another kind another. The elevated mind takes in and breathes out again that which would be uncongenial to the baser; and the baser draws life and enjoyment from that which would be putridity to the loftier.

— Walter Savage Landor