We know what a masquerade all development is, and what effective shapes may be disguised in helpless embryos.
Doubtless a vigorous error vigorously pursued has kept the embryos of truth a-breathing: the quest of gold being at the same time a questioning of substances, the body of chemistry is prepared for its soul, and Lavoisier is born.
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The doctor implanted multiple embryos to increase the chances of a successful pregnancy.