To you is the promise for the promise is unto you, A.V.; shall call unto him for shall call. To you is the promise (see Acts 1:4; Acts 2:33). There is also a reference to the prophecy in Joel, quoted in verses 17-21.
To all that are afar off; i.e. the Gentiles, as appears clearly from Ephesians 2:17, where the same phrase is applied to the Ephesian Christians, and the Jewish Christians are spoken of as "those that were nigh."
The fulfilment to the Gentiles is specially recorded (Acts 10:45; Acts 11:15, Acts 11:18, etc.). Shall call unto him (comp. Romans 1:6; Romans 8:28, Romans 8:30; Romans 9:24; 1 Corinthians 1:2; Galatians 1:6 (etc.
), which confirm the application of the "afar off" to the Gentiles.