"If we broke it down to the basics, marketing is everything that you do to reach and persuade prospects and the sales process is everything that you do to close the sale and get a signed agreement or contract. Both are necessities to the success of a business. You cannot do without either process. If you work to strategically combine both efforts you will experience a successful amount of business growth. However, by the same token if the efforts are unbalanced or departments don't communicate it can detour business growth." - Laura Lake
Laura Lake's article simplifies the conversation. Bottom line: sales and marketing need to work together. One cannot live without the other and you need them to support each other to build a successful buyers journey.
EBOOK: Dig deeper into how you can implement a Sales Enablement Strategy: