An excerpt from "Think About Such Things.com" entitled, "7 Incredible Characteristics of the Holy Spirit" lists the following characteristics:
1. Guides Us Into All Truth
2. Teaches Us All Things
3. Empowers Us With Inner Strength
4. Produces Godly Fruit In Our Hearts
5. Freely Gives Spiritual Gifts
6. Helps Us In Our Weaknesses
7. Leads Us In Every Part Of Our Lives
An explanation of each of the above items may be viewed at: 7 Incredible Characteristics of the Holy Spirit/thinkaboutsuchthings.com
Reference: 1 Corinthians 7:40