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PHILOSOPHY AND FUN OF ALGEBRA own living. Take care that everything you possess, whether physical, mental, or spiritual, shall be the result of your own toil as well as other people's; and remember that you are bound to pay, in some shape or way, everyone who helps you.

Do not make things easy for yourself by speaking or thinking of data as if they were different from what they are; and do not go off from facing data as they are, to amuse your imagination by wishing they were different from what they are. Such wishing is pure waste of nerve force, weakens your intellectual power, and gets you into habits of mental confusion.

When the time comes to stop grind-work, there is no better rest than amusing your imagination by thinking of non-existent possibilities; but do it on a free, generous scale. Give yourself a perfectly free rein in the company of the Infinite. During such exercise of the imagination, remember that you are in the company of the Infinite, and are not dealing with, or tinkering at, the problem on your paper. 34