Final answer:
Frederick Douglass's quote highlights the need for struggle and agitation in achieving progress and freedom.
Step-by-step explanation:
In this quote, Frederick Douglass is emphasizing the importance of struggle and agitation in the pursuit of progress and freedom. He suggests that those who claim to support freedom but avoid the necessary efforts and challenges are not truly committed to the cause. Douglass compares this attitude to wanting to harvest crops without putting in the work of plowing the ground.