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Rh to the conduct of life we have this further scripture: "Lay not up for yourselves treasure on earth where moth and rust doth corrupt and where thieves break through and steal, but lay up for yourselves treasure in Heaven where neither moth nor rust doth corrupt and where thieves do not break through and steal."

And if it be a true boast that man's mind is his real and legitimate kingdom, then he must make that kingdom his Heaven, and within that kingdom his treasure must be stored. It is there, by the power of his mind more than by the power of his hands, that he must gather and hold together his great possessions. We are accustomed to speak in one single connection (with book-knowledge, namely, and with the use of words)—of "learning things by heart." It is only "by heart" that we can ever really learn anything; only when our heart is in it do we know and value a thing so as to understand it. The man whose heart is not in his work is not a complete craftsman; he has not yet learned the "mystery" of his trade. When men's hearts were in their work they called their trades "mysteries," and did, as a consequence, more excellently than we do now, when we make rather for the price of a thing than for the joy of it.

Until we have joy in our labour, all labour is a form of waste—for it wastes the bodies and souls which are put to it, and is destructive