'Unless' in the Bible
This man came to him at night and said to him, "Rabbi, we know that [you are] a teacher who has come from God, for no one is able to perform these signs that you are performing unless God were with him."
Jesus answered and said to him, "Truly, truly I say to you, unless someone is born from above, he is not able to see the kingdom of God."
Jesus answered, "Truly, truly I say to you, unless someone is born of water and spirit, he is not able to enter into the kingdom of God.
John answered and said, "A man can receive not one [thing] unless it is granted to him from heaven!
So Jesus said to him, "Unless you [people] see signs and wonders, you will never believe!"
No one is able to come to me unless the Father who sent me draws him, and I will raise him up on the last day.
Then Jesus said to them, "Truly, truly I say to you, unless you eat the flesh of the Son of Man and drink his blood, you do not have life in yourselves!
And he said, "Because of this I said to you that no one can come to me unless it has been granted to him by the Father."
"Our law does not condemn a man unless it first hears from him and knows what he is doing, [does it]?"
Truly, truly I say to you, unless a grain of wheat falls into the earth [and] dies, it remains [by] itself alone. But if it dies, it bears much fruit.
Peter said to him, "You will never wash my feet {forever}!" Jesus replied to him, "Unless I wash you, you do not have a share with me."
Remain in me, and I in you. Just as the branch is not able to bear fruit from itself unless it remains in the vine, so neither [can] you, unless you remain in me.
Jesus replied to him, "You would not have any authority over me unless it was given to you from above. For this [reason] the one who handed me over to you has greater sin."
So the other disciples said to him, "We have seen the Lord!" But he said to them, "Unless I see in his hands the mark of the nails, and put my finger into the mark of the nails, and put my hand into his side, I will never believe!"