Miroslav Volf said this quote
“ To live with integrity, it is important to know what's right and what's wrong, to be educated morally. However, merely KNOWING is not enough. Virtuous character matters more than moral knowledge. The reason is simple: like the self-confessing apostle Paul in Romans 7, most of those who do wrong know what's right but find themselves irresistibly attracted to its opposite. Faith idles when character shrivels ”