Choose the line that completes each heroic couplet from "An Essay on Man."

1. Alike in ignorance, his reason such,
Whether he thinks too little, or too much:

2. Chaos of thought and passion, all confused;
Still by himself abused, or disabused;

3. Describe or fix one movement of his mind?
Whether he thinks too little, or too much:

4. Of all our vices have created arts;
Chaos of thought and passion, all confused;