John 14:16:

And I will pray the Father, and he shall give you another Comforter, that he may abide with you for ever;

See also:

What If You Sin?
Who You Are and What You Have
Why You Don’t Have to Touch Jesus as He Passes By
To Heal the Brokenhearted
BEING Anointed vs. FEELING Anointed
How to Be Baptized with the Holy Spirit
What Does God Think About Taking Vitamins, Immune System Enhancers, Diet Aids, and So On?
Condition: Venereal Diseases