Every person has the choice to contribute to or drain from this world.
That which is dark to one's eye, is relative to the level of purity within.
I don't trust people. The good part is, i don't really have to. I've surrendered my faith to the Higher power, and it's unconditional love for me. Who am i to question it's motives? Even if there are things i can't understand. This is why there's no need to trust people - if they are on my path, it means they are good for me.
If ours is an examined faith, we should be unafraid to doubt. If doubt is eventually justified, we were believing what clearly was not worth believing. But if doubt is answered, our faith has grown stronger. It knows God more certainly and it can enjoy God more deeply.
To overcome in the physical, you must first conquer in the spirit.