If we can, by reasonably husbanding present supplies, and by exercise of management, prolong for the human race the use of this most convenient material, should we not rather curb our spendthrift tendencies than rely upon the ingenuity of our children in supplying substitutes?

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Attribution

Quote text and notes from Wikiquote: Bernhard Fernow (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.