Albert Barnes' Notes on the Whole Bible - Luke 18:1
A parable - See the notes at Matthew 13:3.To this end - To show this.Always - At all times. That is, we must not neglect regular stated seasons of prayer; we must seize on occasions of remarkable providences as afflictions or signal blessings to seek God in prayer; we must “always” maintain a spirit of prayer, or be in a proper frame to lift up our hearts to God for his blessing, and we must not grow weary though our prayer seems not to be answered.Not to faint - Not to grow weary or give over.... read more
The Pulpit Commentary - Luke 18:8
Our unbelief. "Nevertheless when the Son of man cometh, shall he find faith on the earth?" These words have no special reference, if they have any at all, to the condition of the world at the "second coming" of Christ. In order to understand and appreciate them, we must consider— I. WHAT IS THE FORCE AND RANGE OF THIS EXPRESSION , "the coming of the Son of man." And it will be found on investigation that it signifies any special manifestation of God's power or any... read more