What does this quote mean All of us I suppose like to believe that in a moral emergency we will behave like the heroes of our youth bravely emergency we will behave like that heroes of our youth?

This quote suggests that people tend to hope they would demonstrate courage and heroism in a moral crisis, like the heroes they admired in their youth. However, it also acknowledges that this idealized view might not always match reality, as individuals may struggle to live up to such lofty expectations in challenging situations.