No gains without pains.
Franklin expresses the idea that worthwhile gains usually require some form of effort, sacrifice or difficulty. Achievement rarely comes entirely without cost: learning a skill, building financial security or completing demanding work may require time, discipline and persistence. The word “pains” refers broadly to the exertion or inconvenience involved in making progress.
The saying should not be taken to mean that suffering itself guarantees success, or that greater hardship necessarily produces greater rewards. Effort can be wasted, and circumstances beyond a person’s control also affect outcomes. Franklin’s broader point is that expecting meaningful results without being willing to accept the work or inconvenience they require is unrealistic. The proverb therefore links gain with sustained effort while recognising, implicitly, that progress often asks something of the person pursuing it.