Here are 5 Bible verses about dependability from the Old and New Testaments of the Holy Bible (King James Version), sorted from most to least relevant.
Luke 16:10 KJV
He that is faithful in that which is least is faithful also in much: and he that is unjust in the least is unjust also in much.
1 Corinthians 16:13 KJV
Watch ye, stand fast in the faith, quit you like men, be strong.
Hebrews 3:14 KJV
For we are made partakers of Christ, if we hold the beginning of our confidence stedfast unto the end;
2 Timothy 3:14 KJV
But continue thou in the things which thou hast learned and hast been assured of, knowing of whom thou hast learned them;
Philippians 1:27 KJV
Only let your conversation be as it becometh the gospel of Christ: that whether I come and see you, or else be absent, I may hear of your affairs, that ye stand fast in one spirit, with one mind striving together for the faith of the gospel;