Remember that the reader’s attention is yours for only a single instant. They will not use up their valuable time trying to figure out what you mean.
John Caples, copywriting legend
Remember that the reader’s attention is yours for only a single instant. They will not use up their valuable time trying to figure out what you mean.
John Caples, copywriting legend
Make it simple, but significant
Don Draper, Mad Man

A few more here … An advertising campaign idea for a hair restoration brand
If you can’t solve a problem, it’s because you’re playing by the rules
Paul Arden, former Creative Director, Saatchi & Saatchi