Words from a Commonplace book

There's nothing you can't prove if your outlook is only sufficiently limited.
 ~  Whose Body, pg 9

 She seldom did wrong, in her own opinion, because the moment she entertained an idea it at once became right, her vanity serving as a pair of blinders to keep her from seeing the truth.
~  Mother Carey's Chickens

His revision of language and his ignorance of history afford him the comfortable delusion of not having to look back to get his bearings. ~ Norms and Nobility, pg 2

I decided to finally copy my saved, highlighted and underlined quotes into my somewhat neglected Commonplace book and noticed a theme. The first two are my last entries before the neglect began, the last the first I added today. I  hope this isn't God speaking to me about an issue with my character!