It is only necessary to have courage, for strength without self-confidence is useless.
Giacomo Casanova. (n.d.). JustQuotes.com. Retrieved February 20, 2017, from JustQuotes.com Web site: http://www.justquotes.com/authors/giacomo_casanova/29453
Giacomo Casanova. JustQuotes.com, 2014. http://www.justquotes.com/authors/giacomo_casanova/29453, accessed February 20, 2017.
“Giacomo Casanova.” JustQuotes.com, 2014. February 20, 2017. http://www.justquotes.com/authors/giacomo_casanova/29453