John 6:39-40

6:39 Now this is the will of the one who sent me – that I should not lose one person of every one he has given me, but raise them all up at the last day. 6:40 For this is the will of my Father – for everyone who looks on the Son and believes in him to have eternal life, and I will raise him up at the last day.”

John 9:18

9:18 Now the Jewish religious leaders refused to believe that he had really been blind and had gained his sight until at last they summoned the parents of the man who had become able to see.