Marketing won't go far without a motto / slogan / punchline / tagline / catchphrase to remember. You certainly need a good one for your brand if you want it to stick and sell.
Over 200 taglines, slogans, punchlines, mottos, etc.
This eBook lists 200+ real-life examples for slogans and taglines, from various service providers, professionals, doctors, handymen, etc. which will help in pinning down the right tagline for your product / service / brand.