COMMA EXERCISE #3 
 
EXERCISE 
Add commas when necessary or desirable. 
 
1. People are capable of both good and evil but such things are usually not religious in nature. 
 
2. Whether these emotions or states are intrinsic or learned is the subject of constant debate. 
 
3. Some people blame their behavior on deities such as devils demons or evil spirits 
 
4. Others may just have bad wiring in their brains chemical imbalances or trauma which causes them to 
appear evil. 
 
5. Normal human behavior is tied to simply brain chemistry or learned social expressions. 
 
6. For example when a person is cruel to another person or perhaps to an animal such behavior is the 
product of a learned response. 
 
7. Similarly when a person performs some indiscretion or transgression such things may be the product of 
chemicals in the brain. 
 
8. Some chemicals in the brain cause movements of calm and even movements of happiness and when 
a person lacks these chemicals this person may become depressed or easily agitated. 
 
9. When a brain is "badly wired," a person may exhibit behaviors which are unusual destructive or 
harmful.  Such unusual behavior is usually associated with outbursts, violence, self-harm, and criminality. 
 
10. However, no all "bad wiring" is bad.  Some people who are "wired" differently are quite capable of 
good behavior. 
 
11. In ancient times people used to blame deities for evildoing. However there is no proof that anything 
other than the body or learned behavior is responsible. 
 
12.  Still some deeply religious individuals often label malicious people as being led astray by "evil" 
deities. 
 
13. Honestly there is little evidence to support the deity belief yet there is plenty of evidence to support 
human fallibility. 
 
14. People should be more accountable for their actions; likewise people should be invested in espousing 
good rather than evil. 
 
15. In order to perpetuate good in our lives we should reward those who do good and condemn those 
who do evil. 
 
16. After all as Leonardo Da Vinci once said "He who does not punish evil commands it to be done."