You can copy it in your notebook. As long as you are sincere, you will have fewer ideas. If you think too much, you can stop and read Amitabha. If you don't read too much, you can copy. It is normal to think too much at first. If you can persevere, you will be less paranoid. In the method of chanting Buddha, take six, and the net reading comes one after another.
If you have time, you can watch lectures on Buddhism, so that you can learn faster.