The Mechanics and Rhetoric of Conversation : Page 54
Probing still deeper, the actual reason for too frequent use of ands is lack of good prose rhythm. Fundamentally this is said to reflect a person's sincerity, depth of feeling, and clear thinking. Perhaps if a person have much of these, he does not need to worry about rhetoric or prose rhythm: it will be given unto him, or has already been given to him. The power of a sincere, intense personality, such as Lincoln's
1 Virtually any recognized college rhetoric textbook will do. It happens that I have found the following most helpful in classes: Easley S. Jones, Practical English Composition, 3 ed. (D. Appleton-Century, 1941), pp. 159-195.