This quote emphasizes the importance of self-development and introspection before seeking success in interpersonal relationships or group dynamics. Essentially, it suggests that true success with others is only possible when one has first achieved a degree of success with oneself. This "price of success" with oneself could mean various things, such as personal growth, self-discipline, emotional intelligence, self-awareness, and resilience.

In other words, you need to understand and conquer your own strengths and weaknesses, your passions and fears, and your dreams and doubts before you can effectively interact and succeed with others. This is because our interactions with others are often a reflection of our own internal state. If we are not content, confident, and clear about our own identity and capabilities, it can create barriers to successful communication, collaboration, and connection with others.

Applying this idea in today’s world, especially in the realm of personal development, means investing time and effort in self-improvement and self-understanding. It’s about setting personal goals, pushing your own boundaries, and stepping out of your comfort zone. It’s about learning to manage your emotions, to empathize with others, to communicate effectively, to lead by example, and to inspire and motivate.

For instance, in a professional setting, a leader who has not "paid the price of success" with themselves may lack the self-confidence, emotional intelligence, or communication skills required to lead a team effectively. They may struggle to inspire trust and respect, to motivate their team, or to navigate interpersonal conflicts or challenges. On the other hand, a leader who has invested in their own personal development and learned to overcome their own challenges will be better equipped to guide, support, and inspire their team to success.

In conclusion, this quote highlights the importance of personal development as a prerequisite for success in interpersonal relationships and group dynamics. It encourages us to invest in ourselves, to push our own boundaries, and to strive for personal growth and self-improvement. Only then can we truly succeed with others.