On second thought, my opinion is a bit extreme. I only noticed the influence of external factors on things, but ignored the more important point-internal factors. In fact, the internal cause is the root of the change and development of things.
Yes, we really can't ignore the influence of external factors. Generally speaking, the environment brings pressure to human beings, pushing them to the invisible end of the evolutionary mileage; From a small perspective, the natural environment and social environment have shaped people's appearance and character. Just as the spring washes away the gravel and the waves beat against the rock bank, each stone is made into a special shape. Look at the black face of coal miners and the red face of steel-making masters. The influence of the outside world on us cannot be ignored. Even the lotus on the blue waves has roots mixed with pond mud.
However, these are secondary. The flowers and leaves of lotus are pure and beautiful because it is a beautiful lotus in essence. Flowers and leaves come from the inside and sprout from the life of lotus. And we, as long as we don't leave our subjective efforts, can't fall into the environment, because we are human beings, our thoughts grow and rise from his life, and his will comes directly from his heart. Within a certain range, people's firm forehead and deep mind are independent.
The internal cause of things is the source of their development, which determines their nature and development direction.
You can face the Gobi desert and surging thoughts, face the lonely cold autumn and be passionate, or fall silent in the noisy world and lose confidence in the bright lights. In short, you can resist the surrounding environment and be completely unaffected by them. Although, you still belong to him, you can't surpass him, just as no one can be detached from his society and his times, but remember that external factors, no matter how great, must also play a role through internal factors, and never put aside internal factors alone.
You will certainly be influenced by the color of the environment, but you can show your independence in a small range; You must take root in the mud and let it cover your foundation, but you can accumulate strength and blossom wisdom, virtue, art and so on.
This is my view on "getting rid of dirt and not touching the body".