"In marketing I've seen only one strategy that can't miss - and that is to market to your best customers first, your best prospects second and the rest of the world last"
This quote is written / told by John Romero somewhere between October 28, 1967 and today. He/she was a famous Inventor from USA.
The author also have 9 other quotes.
"Don't lower your expectations to meet your performance. Raise your level of performance to meet your expectations. Expect the best of yourself, and then do what is necessary to make it a reality"
"The man who makes everything that leads to happiness depends upon himself, and not upon other men, has adopted the very best plan for living happily. This is the man of moderation, the man of manly character and of wisdom"