half of the month; all but one (Lowell) were born on odd days; all but one (Bryant) were born in odd years. Thus it will be seen that all these facts agree in every combination except one in every case except once, thus the one runs through the entire list of combinations and even enters into the exception. By grouping the poets in this manner, all the facts pertaining to the days, months, and years of their birth are brought prominently forward, and the knowledge can be easily memorized and readily recalled. This is done by means of combinations of similar things. Be sure to study thoughtfully, lay hold of all the similarities in the birth of the members of this group, and do not aim to memorize the facts in connection with the births merely by committing certain figures and letters to memory.
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