Never stop testing, and your advertising will never stop improving.

More quotes by David Ogilvy

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"Where people aren’t having fun, they seldom produce good work."

- David Ogilvy

Motivation

"If you are both killer and poet, you get rich."

- David Ogilvy

Success

"If it doesn’t sell; it isn’t creative."

- David Ogilvy

Creativity

"Leaders grasp nettles."

- David Ogilvy

Leadership

"Make sure you have a vice president in charge of your revolution, to engender ferment among your more conventional colleagues."

- David Ogilvy

Leadership

More Persistence Quotes

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"Nothing in the world can take the place of persistence. Talent will not; nothing is more common than unsuccessful men with talent. Genius will not; unrewarded genius is almost a proverb. Education will not; the world is full of educated derelicts. The slogan ‘Press On’ has solved and always will solve the problems of the human race."

- Calvin Coolidge

Persistence

"I have stood on a mountain of no’s for one yes."

- Barbara Elaine Smith

Persistence

"First, forget inspiration. Habit is more dependable. Habit will sustain you whether you’re inspired or not. Habit will help you finish and polish your stories. Inspiration won’t. Habit is persistence in practice."

- Octavia Butler

Persistence

"A dragonfly's journey is proof that persistence carves canyons from cliffs"

Persistence

"Persistence pays off, buzz on like the dragonfly"

Persistence