Which detail from the passage "Trusting Experience” BEST shows that inexperience can be dangerous in some situations?

in our power to make a world happy - to teach mankind the art of being so - to a character hitherto unknown - and to have, as it were, a new creation intrusted to our hands, are honors that command reflection, and can neither be too highly estimated,

she needs to add a conclusion summing up the entire essay along with an ending sentence to complete it all nicely.

you need to do homework when you can make friends : )