Grandma was mixing up ingredients for a cake. She asked her Grandson if he would like to have a snack which, of course, he did.
"Here have some cooking oil."
"Yuck," said the little boy.
"How about a couple of raw eggs?"
"Would you like some flour them? Or maybe a little baking soda?"
"Grandma, those are all yucky!"
To which Grandma replied, "Yes, all those things seem bad by themselves, but when they are put together in the right way, they make a wonderful delicious cake.
God works the same way. We wonder why He lets us go through such difficult times. But God knows that when He puts these things all together in His order, they always work for the good. We just have to trust Him to "mix the ingredients and bake the cake." Eventually, they will result in something wonderful.