Possible Clues:

• Slogan in many exercise ads
• The only way to get respect, so they say
• Deserve something through hard work
• Achieve one's due honestly
• Achieve something by merit
• Best way to get respect
• 'Prove that you deserve this!'
• 'The old-fashioned way' to make money, in an old ad
• Deserve what one gets
• 'You're gonna have to work for that'