Acharya Prashant explains that being young is not a matter of physical age but a state of mind. He defines a child as one whose physical brain is not yet ripe enough to know, and an old person as one who believes they already know, making knowledge a barrier to further learning. In contrast, a young person is one who possesses the humility to admit they do not know, while maintaining the faith and capacity to learn. This youthfulness is characterized by intelligence and the refusal to let the mind's accumulated content block direct perception and listening. Using the analogy of a tree versus a polished wooden table, Acharya Prashant illustrates the difference between living and being 'dead' or 'old'. A tree is young because it is vulnerable, rooted in the soil, and open to the elements, whereas a table is rigid, artificial, and polished for societal use. He argues that most people are like the table—ornamented and artificial but lacking true beauty. True beauty and youth come from being natural and vulnerable, rather than being a 'creature of the drawing room' shaped by external influences and artificiality. He further clarifies that knowledge is an accumulation of memory from the outside, which often leads to rigidity. While the questioner suggests knowledge is a necessity, Acharya Prashant challenges the idea that we must be 'processed' like furniture for society's needs. He distinguishes between worldly knowledge and self-knowledge, stating that true self-knowledge cannot be accumulated or stored in memory. If something is stored as a memory or a concept, it is self-deception rather than genuine self-awareness.