What is the essence of unselfishness?

Unselfishness is fundamentally about prioritizing the well-being and interests of others over one's own personal gain or advantage. The correct choice highlights this quality by stating that unselfishness involves avoiding personal advancement at the expense of others. This means that a truly unselfish person acts in a way that supports and uplifts others without seeking to benefit themselves directly from those actions.

Unselfishness is essential in fostering teamwork and camaraderie, especially in military settings where cooperation and mutual support are critical to mission success. The concept emphasizes empathy, sacrifice, and a commitment to the greater good rather than self-serving behaviors.

The other choices do not accurately capture the essence of unselfishness. Providing comfort for oneself first suggests a focus on personal needs rather than the needs of others. Focusing on individual goals centers on personal ambitions, which is contrary to the selfless nature of unselfishness. Building personal relationships, while beneficial, does not inherently imply the selfless action towards others, as it can still be rooted in personal interests rather than unselfish motives.