For there is no difference between the Jew and the Greek: for the same Lord over all is rich unto all that call upon him. For whosoever shall call upon the name of the Lord shall be saved. Romans 10:12,
And the child Samuel ministered unto the Lord before Eli. 1 Samuel 3:1. Young as he was when brought to minister in the tabernacle, Samuel had even then duties to perform in the service of God, according to his capacity.
The Lord is not slack concerning his promise, as some men count slackness; but is longsuffering to us-ward, not willing that any should perish, but that all should come to repentance. 2 Peter 3:9. I was shown our