“O Timothy, keep that which is committed to thy trust, avoiding profane and vain babblings, and oppositions of science falsely so called:
Which some professing have erred concerning the faith. Grace be with thee. Amen.” (1 Timothy 6:20-21 KJV).
truth itself (the faith)
G4102 (Strong)
πίστις
pistis
pis’-tis
From G3982; persuasion, that is, credence; moral conviction (of religious truth, or the truthfulness of God or a religious teacher), especially reliance upon Christ for salvation; abstractly constancy in such profession; by extension the system of religious (Gospel) truth itself: – assurance, belief, believe, faith, fidelity.
Jamie Thompson 