part in serving him; and the unity they already have, but which they must make every effort to guard. Of these, the first is the one which Paul stresses, and the one we are most likely to forget. This is the basic manual for living the Christian life, and we need to go back and read it regularly. What then is this ‘call’ or ‘calling’ which he speaks of at the start of his appeal in verse 1, and returns to in connection with Christian hope in verse 4? He isn’t referring here to the specific ‘calling’