If you can learn how to draw a line, you can learn how to draw a square.
If you can learn how to draw a square, you can learn how to draw a cube.
And if you can learn how to draw a cube, you can learn how to draw a cardboard box.
If you can learn how to draw a line, you can learn how to draw a square.
If you can learn how to draw a square, you can learn how to draw a cube.
And if you can learn how to draw a cube, you can learn how to draw a cardboard box.