“Goodness is the only investment that never fails”

                      -Henry David Thoreau
What this quote is trying to say is that doing good will never fail,and it's only thing what is good it's  doing good.For example you are selling stuff such as beauty products and some one extra 20 dollar bill but instead of you keeping the money you gave it back.But if had not given the money back the people wouldn’t trust you no more and they will even stop buying product.but if you gave the money back most people will trust on you and more clients will obviously buy your product . but goodness is only good investment.