Talk in Terms of the Other Person's Interests

“The royal road to a person’s heart is to talk about the things he or she treasures most.” — Dale Carnegie

The Meeting That Changed Edward Chamberlin’s Life

Carnegie tells the story of Edward Chamberlin—a man who had to attend a dinner party with someone he knew very little about. Rather than winging it, Chamberlin did his homework. He found out that the person he’d be seated next to was passionate about Victorian-era natural history—a highly specific passion that few people would know anything about. Chamberlin spent an evening reading about it before the party.

At dinner, he introduced the topic. The conversation that followed lasted for hours. The other person was astonished that anyone could share his passion. He went home that night and told his wife he had met one of the most fascinating conversationalists he had ever encountered. Chamberlin had said very little—he had mostly asked questions and listened. But by entering the world of what the other person cared most about, he had become, in that person’s eyes, brilliant company.

This story perfectly captures Carnegie’s eighth principle: talk about what the other person is interested in, not about what you are interested in.

Theodore Roosevelt’s Preparation Ritual

Carnegie returns to Theodore Roosevelt as an exemplar of this principle. Roosevelt made it a personal rule that whenever he had an important meeting scheduled, he would spend time the night before reading about whatever subject the other person cared most deeply about.

If a diplomat was coming, Roosevelt would read about that diplomat’s country. If a rancher was visiting, Roosevelt would brush up on cattle. If a scholar was coming, Roosevelt would read in their field. The result was that every visitor felt Roosevelt was uniquely interested in them—because he was. The preparation made the interest real.

“The man who can discuss any subject intelligently and with interest in the other person’s view,” Carnegie notes, “rarely fails to make friends.”

What People Want to Talk About

Every person has a hierarchy of interests—subjects they think about, dream about, spend their free time on. These interests are not random; they are connected to identity, to meaning, to joy.

When you discover those interests and engage with them genuinely, several things happen:

• The person’s energy visibly rises—they come alive
• They feel seen in a way that most conversations never provide
• They associate that energized, seen feeling with you
• They will seek you out again because conversations with you feel rewarding

The reverse is equally true: when you dominate a conversation with your own interests while showing no curiosity about theirs, the other person politely tolerates you and avoids you later.

The Dinner Table Discovery

Carnegie describes a dinner party where a botanist spoke all evening about exotic plants to a man who was not particularly interested in botany but who was a good enough conversationalist to ask questions and seem interested. The botanist later told his host that he had “never met such a fascinating man”—although the other person had talked for perhaps ten minutes total. What had happened? The botanist had been given the gift of talking about what he loved most, and he associated that pleasure with his conversational partner.

Most people are far more interesting than they appear on the surface. The hobby that seems dull from the outside—stamp collecting, model trains, competitive Scrabble—usually conceals a rich world of knowledge, skill, and passion. The conversationalist who can find the door into that world will never lack for fascinating company.

Finding the Door: Questions That Work

The art of talking in terms of others’ interests begins with discovery:

• “What are you working on these days that you’re most excited about?”
• “What do you find yourself thinking about a lot lately?”
• “How did you get into [their field or hobby]? What drew you to it?”
• “What’s the best thing you’ve read or watched recently?”

These questions invite people into the territory of their genuine passions. Then your job is to be a genuinely curious follow-up artist—asking deeper questions, showing you understood their answer, making connections.

Beyond Small Talk

This principle is Carnegie’s solution to the problem of small talk—the shallow, forgettable conversation about weather and traffic that characterizes most social interactions. Small talk is not inherently bad; it serves as a social lubricant. But it never deepens into the kind of connection that makes people like each other.

The shift from small talk to real connection happens the moment you ask about something that matters to the other person. Not a personal question that feels invasive, but a genuine question about something they care about. That question is the doorway into real conversation.

The Transition from Small to Meaningful

Small talk version: “Nice weather we’re having.” Genuine interest version: “I noticed you mentioned a hiking trip last time we talked—did that end up happening? How was it?”

The second version requires you to have remembered something. It signals interest. It opens a door. This is exactly the combination of genuine attention (principle 4) and talking in terms of their interests (principle 8) working together.

Practice: The Interest Map

For three people you interact with regularly but don’t know deeply:

1. Write down everything you currently know about what they are interested in
2. Note what you don’t know and are curious about
3. In your next conversation with each person, ask one genuine question about their interests
4. Listen carefully to the answer—and ask a follow-up question

Reflection

What subjects do you wish people would ask you about—topics you could talk about for hours but rarely get the chance to? Now ask yourself: when was the last time you gave someone else that gift by finding and asking about what they love most?

Key Takeaways

• The royal road to a person’s heart runs through their deepest interests, not yours
• Preparation makes genuine interest possible: Roosevelt read before every important meeting; you can do the equivalent
• Every person has a hierarchy of passionate interests; discovering and engaging with those interests transforms ordinary conversation
• Questions that open doors are more valuable than answers that close them
• The botanist story illustrates a profound truth: people call us fascinating when we give them the gift of talking about what fascinates them
• This principle, combined with genuine listening, is the foundation of all memorable conversation