Know what you're trying to do before you do it. Turning knobs at random isn't enlightening any more than throwing paint at a wall blindfolded will let you paint a nice picture.
“The songs of Bizet are by a French peer of Rossini. When Rossini stopped composing, he was living in Paris. He also wrote some beautiful songs in French.”
“Praying is like a rocking chair - it'll give you something to do, but it won't get you anywhere.”