Successful people work hard on the right things b/c working hard on the wrong things only makes one worn out while failing.

Meaning: Another worker can often find something to improve in work already considered finished. The second barber’s remaining task suggests that completion depends on standards and perspective, without proving that earlier work was careless or endless correction is necessary.

Meaning: Completing a worthwhile action after a delay is often better than abandoning it altogether. Missing the ideal moment does not always remove the value of doing it now.

Meaning: Constant movement or change can prevent someone from accumulating lasting commitments, resources or attachments. Whether that is a loss or a benefit depends on what the person values.

Meaning: People working in the same trade may compete or disagree despite their shared occupation. The proverb highlights rivalry among peers, without establishing that cooperation is rare or that professional differences are personal hostility.