Hello!
The ending sentence (and paragraph) of The Tell Tale Heart by Edgar Allan Poe is
“Villains!” I shrieked, “dissemble<span> no more! I admit the deed!—tear up the planks! here, here!—it is the beating of his hideous heart!”</span>
Lord Baden Powell
because with very few resources he managed to create a group to educate youth with logical based ethical alignment with the scout law.