"Think for yourselves for a change" encourages individuals to develop their own opinions instead of relying on others' ideas. It urges people to become independent thinkers who can navigate the world with confidence. The phrase "You've been pedlars: go and be merchants" suggests moving beyond merely selling ideas or following others, and instead, creating and offering original contributions.
The quote also emphasizes self-reliance and courage, telling people to stop being mercenaries and find their own cause to support. It inspires them to take on the challenges of the world boldly, to explore, and to take control of their destiny by actively engaging with life's opportunities. Overall, it calls for personal growth, initiative, and the willingness to confront the world head-on.