What are the principles of faithfulness the Lord Jesus Christ was teaching His apostles, His disciples here?
First of all the Lord Jesus Christ was teaching them that true faithfulness requires that a servant has a totally humble submissive spirit. This is amplified to us first in Ephesians 2:8 where we are told; 8. For by grace are ye saved through faith; and that not of yourselves: it is the gift of God: Only by Gods grace are we given faith which enables us to be faithful. And James 4:6ff tells us what we must do to receive grace; 6. But he giveth more grace. Wherefore he saith, God resisteth