It goes without saying that the desire to accomplish the task with more confidence, to avoid wasting time and labour, and to spare our experimental animals as much as possible, made us strictly observe all the precautions taken by surgeons in respect to their patients.
Bio: John Greenleaf Whittier was an American Quaker poet and advocate of the abolition of slavery in the United States. Frequently listed as one of the Fireside Poets, he was influenced by the Scottish poet Robert Burns.