Every time I start a new painting there is a point where I think to myself, "this isn't going to look right." I push through and keep spreading the painting around the canvas. As I keep going, something starts to take shape. It's amazing to me that these images I create are just lines and colors.
I'm always shocked when I take a step back and my eyes see the lines and paint come together to form an eye or a smile.
If you're painting with a palette knife for the first time, don't give up. It takes time for the shapes to come together.