There is no such thing as " believing" in God, His word, or His promises for salvation.
KJV
1Pe 1:19 But with the precious blood of Christ, as of a lamb without blemish and without spot:
1Pe 1:20 Who verily was foreordained before the foundation of the world, but was manifest in these last times
for you,
1Pe 1:21
Who by him do believe in God, that raised him up from the dead, and gave him glory; that your faith and hope might be in God.
NIrv
1Pe 1:19 Instead, you were bought by the priceless blood of Christ. He is a perfect lamb. He doesn't have any flaws at all.
1Pe 1:20 He was chosen before God created the world. But he came into the world in these last days for you.
1Pe 1:21 Because of what Christ has done,
you believe in God. It was God who raised him from the dead. And it was God who gave him glory. So your faith and hope are in God.
Amp
1Pe 1:19 But [you were purchased] with the precious blood of Christ (the Messiah), like that of a [sacrificial] lamb without blemish or spot.
1Pe 1:20 It is true that He was chosen and foreordained (destined and foreknown for it) before the foundation of the world, but He was brought out to public view (made manifest) in these last days (at the end of the times) for the sake of you.
1Pe 1:21 Through Him you believe in (adhere to, rely on) God, Who raised Him up from the dead and gave Him honor and glory, so that your faith and hope are [centered and rest] in God.
1Pe 1:19 But [you were purchased] with the precious blood of Christ (the Messiah), like that of a [sacrificial] lamb without blemish or spot.
1Pe 1:20 It is true that He was chosen and foreordained (destined and foreknown for it) before the foundation of the world, but He was brought out to public view (made manifest) in these last days (at the end of the times) for the sake of you.
1Pe 1:21
Through Him you believe in (adhere to, rely on) God, Who raised Him up from the dead and gave Him honor and glory, so that your faith and hope are [centered and rest] in God.
Joh 14:1 Let not your heart be troubled:
ye believe in God, believe also in me.
ESV
1Pe 1:18 knowing that you were ransomed from the futile ways inherited from your forefathers, not with perishable things such as silver or gold,
1Pe 1:19 but with the precious blood of Christ, like that of a lamb without blemish or spot.
1Pe 1:20 He was foreknown before the foundation of the world but was made manifest in the last times
for the sake of you
1Pe 1:21 who
through him are believers in God, who raised him from the dead and gave him glory, so that your faith and hope are in God.
Rom 10:9 That if thou shalt confess with thy mouth the Lord Jesus, and
shalt believe in thine heart that God hath raised him from the dead, thou shalt be saved.
Rom 10:10 For
with the heart man believeth unto righteousness; and with the mouth
confession is made unto salvation.