I very much enjoyed this clip from a presentation for WOBI by the guru of guru's Philip Kotler.
I took this screenshot
About marketing Kotler says
The organization's marketing task is to determine the needs, wants and interests of target markets and to achieve the desired results more effectively and efficiently than competitors, in a way that preserves or enhances the consumer's or society's well-being.
He also says
I would rather improve my business every day than depend on a breakthrough every year.
More great insights from Philip Kotler here.