I like my first lines short and declarative. No complicated sentences. Of course, that's not really a Scott thing. It's pretty classic grab-the-reader technique.
The idea that positive illusions are in the service of sef-esteem virtually requires that they stay in check. If one develops substantially unrealistic expectations regarding the future that greatly exceed what one is actually able to accomplish, then one is set up for failure and disappointment, leading to lower self-esteem.