Two very similar tools...

One of these can be used for great good, or improperly used create grave damage.

In fact that tool shares some operational characteristics with this one:

Once you pull the trigger on either one of these tools, be it the enter key or the trigger, there is no undo button. A negligent discharge of either tool can cause grave bodily damage. 

Words are of such importance that memorable quotes like this spring to mind: "Let the name of Moses be stricken from every book and tablet. Stricken from every pylon and obelisk of Egypt. Let the name of Moses be unheard and unspoken, erased from the memory of man, for all time."

And either with a keyboard or handgun if you have an negligent discharge all one can say is "Mea culpa" and deal with the aftermath. 

Mea maxima culpa