Like the rest of the genetic lottery, beauty is unfair. Everyone falls short of perfection, but some are luckier than others. Real confidence requires self-knowledge, which includes recognizing one's shortcomings as well as one's strengths. Virginia Postrel
Distinguishing the signal from the noise requires both scientific knowledge and self-knowledge. Nate Silver
I think that you have to do everything you can do to empower girls when they are young, from their education, to their successful independence, to their sexual self-knowledge. Susie Bright
The one self-knowledge worth having is to know one's own mind. F. H. Bradley
I think self-knowledge is the rarest trait in a human being. Elizabeth Edwards