Persevering In Prayer.

 Praying without Ceasing.

The apostle exhorted the Thessalonians to "pray without ceasing." 1 Thess. 5:17. 

He did not exhort others to do that which he did not do himself, for he told the Romans that without ceasing he made mention of them always in his prayers. It is not to be supposed that the apostle had the brethren at Rome on his mind every waking hour of the day, for in that case he could not have thought of anything else. No man can be consciously in prayer every moment, but all can continue "instant in prayer," or, as Young translates it,  "in the prayer persevering." Rom. 12:12.

This is in harmony with what the Saviour said, that "men ought always to pray, and not to faint," or grow weary.  Luke 18:1. In the parable that follows, the unjust judge complains of the "continual coming" of the poor widow.  That is an illustration of praying without ceasing. It is not that we are to be every moment in conscious prayer,  for then important duties would be neglected, but it is that we should not grow weary of praying.