principle-driven work: when thinkers or public figures focus on advancing the substance of their ideas and acting as servants to the philosophy they advocate prioritizing their ideals, and actions over their personal brand and public image and orienting their work toward the integrity of their contributions, with less concern for public attention
personality-driven performance: when individuals use the ideas primarily as tools to promote themselves or entertain others; the focus shifts from the substance of their work to the persona they project; self-promotion and attention-seeking can overshadow the actual impact or integrity of their ideas.
Man's Search for Meaning (1946) by Viktor Frankl: living with purpose and principle, even in the most difficult circumstances; explains how meaning can be found through dedication to something larger than oneself;
Solitude and Leadership by William Deresiewicz (his subsequent book “The End of Solitude” 2022)