In AV 'ability' is either material (Le 27:8; Ezr 2:69; Ac 11:29) or personal (Da 1:4; Mt 25:15) capacity. The mod. meaning ('mental power') is not found in AV.
But if he is poorer than your valuation, then he shall be set before the priest, and the priest shall value him; according to the ability of him who vowed shall the priest value him.
they gave after their ability into the treasury of the work sixty-one thousand darics of gold, and five thousand minas of silver, and one hundred priests' garments.
youths in whom was no blemish, but well-favored, and skillful in all wisdom, and endowed with knowledge, and understanding science, and such as had ability to stand in the king's palace; and that he should teach them the learning and the language of the Chaldeans.
To one he gave five talents, to another two, to another one; to each according to his own ability. Then he went on his journey.
As any of the disciples had plenty, each determined to send relief to the brothers who lived in Judea;