The idiom "out of sight, out of mind" means that if something or someone is not visible to you, you will forget about it or pay less attention to it. It is a common expression that suggests that we tend to forget things that are hidden from our view.

"Drain the swamp" is an idiomatic expression used to describe the process of removing all unnecessary or unwanted elements from a situation or organization, typically with the aim of improving its efficiency or effectiveness.

The idiom "by far" means to a very great extent, or much more than someone else. It is often used to emphasize the extent of something, especially in comparison to others.

The idiom "high time" has a figurative or metaphorical meaning that refers to the best possible opportunity or moment for something to happen. It implies a sense of urgency and timing, suggesting that if an action is not taken now, it may be too late.

"Beyond a shadow of doubt" is an idiom that means "with absolute certainty," or "without any possibility of error or mistake." It means that something is so clear and definite that it cannot be questioned or disputed.