“I entrust my spirit into your hand. Rescue me, LORD, for you are a faithful God” (Psalm 31:5, NLT).
It’s hard to know who we can trust these days. It seems everyone lies and if you don’t think you do, you might be fooling yourself. I find myself suspicious of anyone trying to sell something and I’m a firm believer in the old saying “if it seems too good to be true, it probably is.”
Many have trouble trusting God because they’ve been deceived too many times by anyone and everyone. They wonder, can God be trusted too or will he turn out to be just like everyone else? He is not like us. He is the only one who can be trusted – he can’t lie, he is trustworthy and faithful in every way.
Jesus - Son, Savior, God 
The reason being, of course, that God is not a person. Instead He is the Being who, if we trust, can bring to us the ultimate peace.
You are right on the money here. I see this everywhere. And it’s hard to convince people that they actually can trust God . . .since they will usually have a story in their lives to show a time when they did and He failed them.
Trusting God is something we have to choose to do without looking for some kind of evidence first, that He can be trusted. Since His ways are not our ways, and His thoughts are not our thoughts, then generally He is not going to do things for us in the way we expect. I have found that it has sometimes taken me years to understand how God answered a prayer for me, in just the way I really needed it. And as a result of watching God work things out for me in my life, no matter how long it took, I am now finding it easier and easier to trust Him, because I have seen how He works.
Sadly, what people want up front is proof. However, with God, we have to trust first and wait patiently for that “proof”. Since most people have been so bitterly burned as a result of trusting others. . .this idea seems rather ludicrous. Thankfully God has ways of showing Himself to everyone, even in the midst of such a dilemma.
“since they will usually have a story in their lives to show a time when they did and He failed them” – they only think he failed them. I don’t think God is capable of failing any of us, it only seems that way to our limited minds.