The document discusses 10 best SEO quotes from prominent internet marketers that have guided the author in their SEO journey. Some of the key quotes highlighted include that SEO is an ever-changing field and marketers must be prepared to adapt to changes, link building requires serious time and resources for success today, and passion is a motivating factor for success in SEO. The author concludes they learned SEO is not rocket science but requires using your head, working your dreams and weighing things carefully.