How people first learned to invent words is unknown, (21) other words, the origin of language is a mystery (22) we really know is that humans, unlike animals, somehow invented certain sounds to (23) thoughts and feelings, actions and things, so that they could communicate with each other; and that later they agreed (24) certain signs, called letters, which could be (25) to represent those sounds a

The power of words, then (26) in their association-the things they bring up before our minds. Words become filed with meaning for us by experience; and the longer we live, the more certain words recall to us the glad and sad events of our past; and the more we read and learn, the more the number of words that mean something to tell us (27). Great writers are those who not only have great thoughts but also express these thoughts in words which (28) powerfully to our minds and emotions. This charming and telling use of words is what we call literary style. Above all, the real poet is a master of words. (29) can convey meaning in words which sing like music and which, by their position and association, can move others to tears. We should, therefore, learn to choose our words carefully and use them (30), or they will make our speech silly and vulgar. (21) (22) (23) (24) (25) (26) (27) (28) (29) (30)