A serene and elegant phone wallpaper inspired by the 29th section of the Diamond Sutra. The image should feature a tranquil background with subtle gradients of calming colors such as soft blues and greens. Incorporate delicate, abstract elements reminiscent of flowing water or gentle breezes, symbolizing the Buddhist concept of impermanence and the nature of all things. The design should evoke a sense of peace and mindfulness, suitable for a phone wallpaper. --ar 9:16