The overall message in benjamin franklin's writings is to a. indulge yourself while you can. b. invent new technologies for success. c. save money by spending wisely. d. employ logic and reason in your life.

The correct option is D.
Benjamin Frankling is one of the founding fathers of USA. He was a politician, author, printer and a political theorist. He wrote many books before his death. The major theme of his books is that individuals must take responsibility for themselves by working hard, studying and creating a good image. He also emphasis the need to recognize and grab opportunities as one come across them. He believed that by using one's reason and logic, one will attains the highest height possible in life.

The answer is