“Self-belief does not necessarily ensure success, but self-disbelief assuredly spawns failure.”
[Self-efficacy: The exercise of control, Bandura, Albert, w:Albert Bandura, 1997, W. H. Freeman, New York, 9780716728504, http://books.google.com/books?id=eJ-PN9g_o-EC&printsec=frontcover&dq=bandura+isbn:9780716728504&hl=en&ei=HAwYTbKsLpTmsQPp8cCPCg&sa=X&oi=book_result&ct=result&resnum=1&ved=0CCMQ6AEwAA#v=onepage&q&f=false] (p. 77)
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Albert Bandura 3
Canadian psychologist 1925Related quotes

Source: https://www.facebook.com/Markmansonnet/photos/a.371143826347930/2571200859675538

cited in: Quotes of 2008: 'We are in a state of shocked disbelief' http://www.independent.co.uk/news/business/analysis-and-features/quotes-of-2008-we-are-in-a-state-of-shocked-disbelief-1220057.html, Jan 01, 2009.
2000s

“Success doesn't teach as many lessons as failure does.”
Source: Disrupt You! (2015), p.122


“Self-trust is the first secret of success.”

Always invest in businesses of the future and in talent
“Have a belief in yourself that is bigger than anyone's disbelief.”

“Without self-discipline, success is impossible, period.”