External world

If you understand meditation, when you meditate, try to observe your surroundings as a third party. Everything that we can perceive is just our eyes, skin, ears, nose, and brain’s perception of the external world. If this physical body is gone, everything in the external world will cease to exist.

To augment mental energy, we must understand the essence of our virtual world

Everyone strives to enhance their personal energy levels through exercise, fitness, and energy-boosting foods. However, these measures only elevate physical strength. Mental fortitude cannot be attained through these means alone. To augment mental energy, we must understand the essence of our virtual world, which is fundamentally zero.