Never Stop Improving Quotes by David Ogilvy, Bob Parsons, Jim Rohn, Oprah Winfrey, Maya Angelou, Zig Ziglar and many others.

Never stop testing, and your advertising will never stop improving. Testing was used in advertising decades ago. The internet has made testing so easy that every online marketer can use it to improve advertising results. Google content experiment is a free tool for you to do split testing.
Never stop investing. Never stop improving. Never stop doing something new.
I don’t know the rules of grammar… If you’re trying to persuade people to do something, or buy something, it seems to me you should use their language, the language they use every day, the language in which they think. We try to write in the vernacular.
Formal education will make you a living; self-education will make you a fortune.
Never stop testing, and your advertising will never stop improving.
Turn your wounds into wisdom.
People will never forget how you made them feel.
Never stop investing. Never stop improving. Never stop doing something new. Make it your goal to be better each and every day, in some small way. Remember the Japanese concept of Kaizen. Small daily improvements eventually result in huge advantages.
Life is about balance. Be kind, but don’t let people abuse you. Trust, but don’t be deceived. Be content, but never stop improving yourself.