One who possesses significant low self-esteem, is more…

“The humble rarely brag about accomplishments because they are typically significant, and their mannerism is one of confidence; but those with low self-esteem have developed a character of conceit and deception. You’re thinking of one now.”

Gandolfo – (RJ Intindola)

1982

“A Mother who radiates self-love and self-acceptance actually VACCINATES her daughter against low self-esteem.”

Naomi Wolf (1962) American writer

“Most people with low self-esteem have earned it.”

George Carlin (1937–2008) American stand-up comedian

Source: Napalm & Silly Putty

“Before you diagnose yourself with depression or low self-esteem, first make sure that you are not, in fact, just surrounded by assholes.”

William Gibson (1948) American-Canadian speculative fiction novelist and founder of the cyberpunk subgenre

Misattributed
Source: thought to be Gibson's words as a result of Twitter attribution decay, despite repeated disavowals. https://twitter.com/#!/GreatDismal/status/144940064990961664 https://twitter.com/#!/GreatDismal/status/144941061578559488 https://twitter.com/#!/GreatDismal/status/144941447936884736 https://twitter.com/#!/GreatDismal/status/171091202161131520. The source, according to Gibson, is Steven Winterburn https://twitter.com/greatdismal/status/119133581598666752 https://twitter.com/5tevenw/status/73091190475595776. However, Steven Winterburn is NOT the original creator of that quote. The original quote is the creation of Twitter account holder "@debihope" https://twitter.com/debihope?lang=en. See research by quoteinvestigator http://quoteinvestigator.com/2014/10/25/diagnose/.