Riddle

As destructive as life, As healing as death; An institution of strife, Just as prone to bless. It is all that is good, Yet with an evil trend; As it was the beginning of things, It can also be the end. What is it?

Choose an answer

A.War
B.Time
C.Nature
D.It is fire!
Hint: It's a 3-word phrase with 8 letters, starting with "I".

Answer

It is fire!

Why this is the answer

Fire can destroy or warm/heal, bless with light or curse with destruction, and both create (the start of civilization) and end (via burning) things.

This riddle is filed under Halloween Riddles and rated Hard.