"Art is a fruit that grows in man, like a fruit on a plant, or a child in its mother's womb."
Simple: Art is a fruit that grows on a person, similar to the way fruit does on plants, or how a baby grows in its mother's womb.
"Soon silence will have passed into legend. Man has turned his back on silence. Day after day he invents machines and devices that increase noise and distract humanity from the essence of life, contemplation, meditation."
Simple: Soon, silence will be nothing more than a story from history. Humanity has stopped caring about silence. Day after day he invents machines and devices that make more noise and distract humanity from the very heart of life, careful thinking, and meditation.