'Due' in the Bible

And if you salute only your near relatives, what praise is due to you? Do not even the Gentiles do the same?

"He would not, however, but went and threw him into prison until he should pay what was due.

"Do you hear," they asked Him, "what these children are saying?" "Yes," He replied; "have you never read, 'Out of the mouths of infants and of babes at the breast Thou hast brought forth the praise which is due'?"