The worst sin is prayerlessness. Overt sin, or crime, or the glaring inconsistencies which often surprise us in Christian people are the effect of this, or its punishment. We are left by God for lack of seeking Him. The history of the saints shows often that their lapses were the fruit and nemesis of slackness or neglect in prayer. Their life, at seasons, also tended to become inhuman by their spiritual solitude. They left men, and were left by men, because they did not in their contemplation find God; they found but the thought or the atmosphere of God. Only living prayer keeps loneliness humane. It is the great producer of sympathy. Trusting the God of Christ, and transacting with Him, we come into tune with men. Our egoism retires before the coming of God, and into the clearance there comes with our Father our brother. We realize man as he is in God and for God, his Lover. When God fills our heart He makes more room for man than the humanist heart can find. Prayer is an act, indeed the act, of fellowship. We cannot truly pray even for ourselves without passing beyond ourselves and our individual experience. If we should begin with these the nature of prayer carries us beyond them, both to God and to man. (P.T. Forsyth, The Soul of Prayer, 11-12)

In prayer we do not so much work as interwork. We are fellow workers with God in a reciprocity. And as God is the freest Being in existence, such co-operant prayer is the freest things that man can do. (P.T. Forsyth, The Soul of Prayer, 57)

Face your special weaknesses and sins before God. Force yourself to say to God exactly where you are wrong. When anything goes wrong, do not ask to have it set right, without asking in prayer what is was in you that made it go wrong. It is somewhat fruitless to ask for a general grace to help specific flaws, sins, trials, and griefs. Let prayer be concrete, actual, a direct product of life’s real experiences. Pray as your actual self, not as some fancied saint. Let it be closely relevant to your real situation. Pray without ceasing in this sense. Pray without a break between your prayer and your life. Pray so that there is a real continuity between your prayer and your whole actual life. (P.T. Forsyth, The Soul of Prayer, 64)

We are not humble in God’s sight, partly because in our prayer there is a point at which we cease to pray, where we do not turn everything out into God’s light. It is because there is a chamber or two in our souls where we do not enter in and take God with us. We hurry Him by the door as we take Him along the corridors of our life to see our tidy places or our public rooms. We ask from our prayers too exclusively comfort, strength, enjoyment, or tenderness and graciousness, and not often enough humiliation and its fine strength. We want beautiful prayers, touching prayers, simple prayers, thoughtful prayers; prayers with a quaver or a tear in them, or prayers with delicacy and dignity in them. But searching prayer, humbling prayer, which is the prayer of the conscience, and not merely of the heart or taste; prayer which is bent on reality, and to win the new joy goes through new misery if need by – are such prayers as welcome and common as they should be? (P.T. Forsyth, The Soul of Prayer, 69-70)

If we learn to pray from the Bible, and avoid a mere cento of its phrases, we shall cultivate in our prayer the large humane note of a universal gospel. Let us nurse our prayer on our study of our Bible; and let us, therefore, not be too afraid of theological prayer. (P.T. Forsyth, The Soul of Prayer, 78)

Resist God, in the sense of rejecting God, and you will not be able to resist any evil. But resist God in the sense of closing with God, cling to Him with your strength, not your weakness only, with your active and not only your passive faith, and He will give you strength. Cast yourself into His arms not to be caressed but to wrestle with Him. He loves that holy war. He may be too many for you, and lift you from your feet. But it will be to lift you from earth, and set you in the heavenly places which are their who fight the good fight and lay hold of God as their eternal life. (P.T. Forsyth, The Soul of Prayer, 92)

God the Father, Son, and Holy Ghost isn’t a consulting firm we bring in to give us expert advice on how to run our lives. The gospel life isn’t something we learn about and then put together with instructions from the manufacturer; it’s something we become as God does his work of creation and salvation in us and as we accustom ourselves to a life of belief and obedience and prayer. (E. Peterson, Leap Over a Wall)

People do not drift toward holiness. Apart from grace-driven effort, people do not gravitate toward godliness, prayer, obedience to Scripture, faith, and delight in the Lord. We drift toward compromise and call it tolerance; we drift toward disobedience and call it freedom; we drift toward superstition and call it faith. We cherish the indiscipline of lost self-control and call it relaxation; we slouch toward prayerlessness and delude ourselves into thinking we have escaped legalism; we slide toward godlessness and convince ourselves we have been liberated. (D.A. Carson, For the Love of God)