Efficacious

The definition of efficacious is efficient, productive. Martin Luther King JR. was very productive. He was very productive in the way he changed the way people thought.

Glass by Thompson Square We may shine, we may shatter We may be picking up the pieces here on after We are fragile, we are human We are shaped by the light we let through us But we break fast Cause we are glass I put this chorus because it is very deep, and it is very true!