Verses with the word youth in the New Testament (5 verses):

Matthew 19:20
The young man saith unto him, All these things have I kept from my youth up: what lack I yet?

Mark 10:20
And he answered and said unto him, Master, all these have I observed from my youth.

Luke 18:21
And he said, All these have I kept from my youth up.

Acts 26:4
My manner of life from my youth, which was at the first among mine own nation at Jerusalem, know all the Jews;

1 Timothy 4:12
Let no man despise thy youth; but be thou an example of the believers, in word, in conversation, in charity, in spirit, in faith, in purity.