1 Corinthians 14:20
Brethren, be not childish in understanding: be as innocent as babes, but use your understanding like men.
Matthew 18:3-4
and said, I declare to you, except ye lay aside your ambition, and become as children, ye shall not enter into the kingdom of the Messias.
Mark 10:15
I declare unto you, he that shall pretend to be admitted into the kingdom of God, and has not the temper of a little child, shall not enter therein.
Luke 21:19
by your perseverance you will save your souls.
John 14:1-2
Let not your heart be troubled: you trust in God, trust also in me.