This book is awesome. It has quotes from some many people, and for every emotion, event, activity or anything you can think of. This really is quite an extensive compilation.
I was harboring some anger when I sat to read it. Anger quotes were pretty early on, as the quotes are listed alphabetically. I read some of the anger quotes and started to slowly realize that holding onto that anger was doing me no good. The person who angered me didn't care. Only I did. This was the quote that hit me hardest;