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The feeding of meat / fat from feed animals to laboratory animals to assess toxicity has been suggested as a means of gaining an insight into the residues of animal products . He noted that companies made business decisions in hopes of gaining an advantage over the competition by offering alternative-fueled vehicles . But by eternal life Christ was not simply speaking of gaining an entrance into heaven , but of knowing and experiencing an eternal quality of life now , a life of meaning , purpose , and usefulness to God and mankind with peace and joy .