If you have confidence in your own words, aspirations, thoughts, and actions and do your very best, you will have no need to regret the outcome of what you do. Fear and trembling are lot of the person who, while stinting effort, hopes that everything will come out precisely as he wants.
When done right - or wrong, depending on how you look at it - deficits remove liberal options from the table. Suddenly there's no money for building bridges or inspecting meat. Not surprisingly, running up a deficit is a strategy favored by the wrecking crew for its liberal-killing properties.