The question presents helping others as a basic human responsibility rather than an optional act of generosity. By asking what people are born for if not to assist one another, it suggests that human purpose is closely connected with mutual dependence, compassion and practical support. The rhetorical form gives the idea a sense of moral certainty: living well involves recognising obligations beyond one’s own interests.

In For Whom the Bell Tolls, this principle has particular weight because the characters depend on one another in dangerous circumstances shaped by civil war. Survival, resistance and ordinary acts of care all require co-operation. The line therefore connects personal ethics with collective life, presenting solidarity as both a moral value and a practical necessity. More broadly, it can be applied to situations in which people face hardship together and must decide whether to act only for themselves or accept responsibility for others.