But thought alone has no power, no real power to modify the material world without a  subsequent physical action. Thought might be able to conceive a means to effect change, might be able to invent devices, implements of technology or devise methods, but the change eventually comes from a physical act not from the cerebral pre-act. For it is physical movement, flux, exchange, reaction, modification that alters matter not the mind alone. Substance altered through action, not the contemplation.

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