In the essay, 'knowledge' is defined as the accumulation of information, understanding, and skills acquired through experience, education, and observation. It encompasses both theoretical concepts and practical insights, highlighting the importance of both types in achieving a well-rounded perspective. The essay emphasizes that knowledge is not static; it evolves with new discoveries and experiences, making continuous learning essential for personal and societal advancement. This dynamic nature of knowledge underscores its role as a powerful asset in an ever-changing world.