While this is a horrible tragedy, it's not the end of the world, or even the beginning of the end of the world. 127 lives were lost, in a most brutal and horrific way, but the threat to any one individual is still really quite small, so try to keep things in perspective. The threat is rea￼l, but it is not hopeless.
The OP is an example of why religion works. Religion is a substitute parent for lost children. It soothes and directs. Each time an adult says, "I'm lost" is an invitation to start using critical thinking and put away the search for magical solutions.
Being lost is no substitute for engaging the brain and courageously using reason instead of religion.
Look to what the good people are doing. Focus on this. If you feel you are able, get involved to help. Do not give the psychopaths anymore of your energy. Do NOT let them win.
Hi Mandy97 and Welcome!!
I feel your concern about being lost!! It's a helpless feeling I admit that. But there has always been war, terrorism right on through the past centuries, or even millennia. There is solace in the fact that there are a lot my meek, good people on this planet, than evil, I think or hope so.
Yeah, try to focus on the good, peaceful things that humankind does or aims to do. Personally, I focus on what kind things mankind has done or is doing to get through times when terrorism is paramount.
Cheers and God Bless.