Didache

But your prayers and alms and all your acts perform as ye find in the Gospel of our Lord.

Watch over your life: let your lamps be[*](Warning that the end is at hand) not quenched and your loins be not ungirded, but be ready, for ye know not the hour in which our Lord cometh.

But be frequently gathered together seeking the things which are profitable for your souls, for the whole time of your faith shall not profit you except ye be found perfect at the last time;