When you are a Bear of Very Little Brain, and you Think of Things, you sometimes find that a Thing which seemed very Thingish inside you is quite different when it gets out in the open and has other people looking at it.

Set the time after which the current quote is refreshed. Use a tool like Plash (MacOS) to set this page to your desktop's background. Tap the image to toggle unnecessary interface elements.

To load the site with the interface not showing, and with a certain refresh rate, set querystring parameters like so: https://andiquote.org/?showInterface=0&refreshDuration=300.