What is the meaning of the expression: “Labor made a monkey into a man”?

The expression "Labor made a monkey into a man" is a metaphor used to describe the transformative power of hard work and dedication. It suggests that with effort and dedication, even the most unlikely of outcomes can be achieved. It implies that through effort and dedication, one can overcome obstacles and achieve success. This expression is often used to encourage people to put in the hard work and focus necessary to reach their goals. It implies that we can all achieve greatness if we are willing to put in the effort and dedication.