Spiritual forces are the ones that empower, supercharge, ignite, changes the atmosphere and things around. Faith is a spiritual force that can work on the positive side, or it can work with crooked motivations. The scriptures say faith works by love, yet the love must be continued or a loss can occur
1 Corinthians 13 proves this out saying: 13 Though I speak with the tongues of men and of angels, and have not charity, I am become as sounding brass, or a tinkling cymbal.
2 And though I have the gift of prophecy, and understand all mysteries, and all knowledge; and though I have all faith, so that I could remove mountains, and have not charity, I am nothing
Examining every thought that comes our way, will not only benefit us, but those in whom we walk with day by day.