What are the key principles for effective interpersonal relationships as discussed in 'The 7 Habits of Highly Effective People'?

Potential obstacles companies might face when applying the concepts from The 7 Habits of Highly Effective People could include resistance to change, lack of understanding of the concepts, and difficulty in implementing the habits in a practical way. Overcoming these obstacles could involve providing comprehensive training on the concepts, encouraging open communication to address concerns and misunderstandings, and providing ongoing support and reinforcement of the habits.

The key takeaways from "The 7 Habits of Highly Effective People" that are actionable for entrepreneurs or managers are:

1. Be Proactive: Take responsibility for your life and choices.

2. Begin with the End in Mind: Define your mission and goals in life.

3. Put First Things First: Prioritize tasks based on importance, not urgency.

4. Think Win-Win: Seek mutually beneficial solutions or agreements in your relationships.

5. Seek First to Understand, Then to be Understood: Listen to others first before trying to be understood.

6. Synergize: Combine the strengths of people through teamwork.

7. Sharpen the Saw: Balance and renew your resources, energy, and health.