Famous quotes containing the words study and/or phase:
“In making a speech one must study three points: first, the means of producing persuasion; second, the language; third the proper arrangement of the various parts of the speech.”
—Aristotle (384323 B.C.)
“It no longer makes sense to speak of feeding problems or sleep problems or negative behavior is if they were distinct categories, but to speak of problems of development and to search for the meaning of feeding and sleep disturbances or behavior disorders in the developmental phase which has produced them.”
—Selma H. Fraiberg (20th century)