"Right and wrong becomes more difficult for each of us as we grow older, because the older we get the more we know personally about our own human frailties"

In this quote, Blanche Lincoln suggests that as we age, our understanding of right and wrong ends up being more complex. This is due to the fact that with age comes a deeper understanding of our own defects and weaknesses as human beings. As we acquire more life experience, we end up being more familiar with our own imperfections and this can make it harder for us to make ethical judgments. We might question our own ability to determine what is really ideal or wrong, as we are constantly reminded of our own human frailties. This quote highlights the idea that our understanding of morality is constantly evolving as we grow older and gain more self-awareness.