dkv,
I think we already have some insight into why love is important and why science and peace are good things.
It could be that humans - some of them at least - have a predeliction for believing in some sort of deity.
Here is a problem: Say you have a rock balanced precariously at the top of a very tall mountain with a very broad base. The top of the mountain on which the rock is perched is kinda pointy and when we look at the system - with a telescope - it appears the rock could fall in any direction. There are winds blowing up there all the time. They swirl about - producing eddies and back eddies. Eventually we sense the rock will fall. Now some one asks you, "When the rock falls, where at the base will it land? Surely it is the goal of science to make such predictions!"
How do you answer such a question? How do you address such an assertion?
