I was Christian, then Atheist, then Christian (Protestant lite). Then I embraced the New Age Spirituality movement and believed in reincarnation, karma, spiritism, and all that. Then I became spiritually lost - a "Dark night of the soul" type of lost. I jumped from church to church - Mormonism, Protestantism, Catholicism.... and nothing spoke to me. I have been lost since but slowly, slowly regaining belief in Christianity mixed with some New Age (the part about reincarnation and karma). I listen to Gregorian Chants to bring me peace. I read about Spiritual Ecstasy and Catholic mysticism. I focus on Jesus' message more than suffering and guilt. One thing I received is a "message" saying to let go. Just let go of everything. All my worries, all my fears, just let them go. Pray and ask the Universe / God / anything out there to forgive you for your "sins". Forgive you for your human flaws. Take all your fears and worries and make them part of the growth experience.
I found that this type of prayer to whoever is listening seems to work a little. It's just a matter of being consistent and believing that there is something out there that loves us and wants us to grow.
Then I came across this Bible verse:
"Yea, though I walk through the valley of the shadow of death, I will fear no evil: for thou art with me; thy rod and thy staff they comfort me."
— Psalm 23:4
Just ask whatever is out there for comfort. To help take away all your problems and ease your mind.
It kind of works for me and that's a good enough start for me.