No company in its right mind tries to sell to everyone. Gillette does not try to sell razor blades to preteens, and Kimberly-Clark doesn't try to sel… - Philip Kotler

The sales department isn't the whole company, but the whole company had better be the sales department.

Is marketing management an art or a science? Some marketing observers maintain that good marketing is more of an art and does not lend itself to rigorous analysis and deliberation. Others strongly disagree and contend that marketing management is a highly disciplined enterprise that has much in common with other business disciplines.

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.