For decades, marketers have diligently worked to balance art and science in their campaigns. Those successful in this endeavor educate their prospects, build loyalty with customers, get people talking, and overall boost sales.

As we plug away on our 2019 projects during the doldrums of winter, we all could use a little inspiration to stay motivated. To help boost your creativity, our Valentine’s Day gift to you is 14 quotes we love from marketing influencers.

You can’t sell anything if you can’t tell anything. — Beth Comstock, Author & Former CMO / Vice Chair, GE

Good marketing makes the company look smart. Great marketing makes the customer feel smart.Joe Chernov, CMO, Robin

Content builds relationships. Relationships are built on trust. Trust drives revenue.Andrew Davis, Keynote Speaker & Author

People shop and learn in a whole new way compared to just a few years ago, so marketers need to adapt or risk extinction.Brian Halligan, CEO, Hubspot

The buyer journey is nothing more than a series of questions that must be answered. — IDC

When marketing doesn’t deliver, it’s usually because we try to do too many things. It’s better to break through on a couple of things than to try to do too much.Jim Jackson, CMO, HPE

Brand is just a perception, and perception will match reality over time. Sometimes it will be ahead, other times it will be behind. But brand is simply a collective impression some have about a product.Elon Musk, CEO, Tesla

Marketing transformations are ongoing—they never end. It’s about continual improvement.Diana O’Brien, Global CMO, Deloitte

Do less.Michelle Peluso, SVP & CMO, IBM

If your content isn’t driving conversation, you’re doing it wrong.Dan Roth, Editor in Chief, LinkedIn

Simplicity requires dreaming big and putting a plan in place to make that dream a reality. We all have dreams, but often don’t have enough plans. The raw motivation that comes from an exciting dream doesn’t last forever. The plan is where the success will be made.Alicia Tillman, CMO, SAP

The way I think about marketing—and the way I tend to talk to my team about it—is ‘knowing the user, knowing the magic, and connecting the two. Lorraine Twohill, CMO, Google @LorraineTwohill

We need to build brands with purpose. We need to go from ‘marketing to consumers’, to ‘mattering to people’.Keith Weed, Chief Marketing and Communications Officer, Unilever

Marketing without data is like driving with your eyes closed.Dan Zarrella, Director of Marketing, The+Source

Do you love another quote or mantra that sparks marketing genius? Share it with us at @IDGworld using #marketingquotes.

Do these quotes have you feeling inspired? Let’s help you with the science. Check out our latest Customer Engagement Research to learn more about what tech decision-makers want when it comes to their content consumption. Download the white paper today.