Matthew Henry on God's faithfulness

"God has made great and precious promises to believers, and he is a faithful God, true to his word; there is no falseness nor fickleness with him, and there should be none with us. His faithfulness should excite and encourage us to be faithful, and we must depend more upon his promises to us than upon our promises to him, and we must plead with him the promise of grace sufficient." Matthew Henry

D.A. Carson on praying for grace

“We become fruitful by grace; we persevere by grace; we mature by grace; by grace we grow to love one another more, and by grace we cherish holiness and a deepening knowledge of God…The Savior cannot be glorified in our lives, nor can we be finally glorified, apart from the grace that He provides.” D.A. Carson

Boston on power of God in evangelism

"Acknowledge thine own weakness and uselessness without God's grace, and so cry incessantly for it, that the Lord may drive the fish into the net, when thou art spreading it out. Have an eye to this power, when thou art preaching; and think not thou to convert men by the force of reason: if thou do, thou wilt be beguiled." Thomas Boston

Spurgeon on Prayer

If in prayer I come before a throne of grace, then the faults of my prayer will be overlooked. In beginning to pray, dear friends, you feel as if you did not pray. The groanings of your spirit, when you rise from your knees are such that you think there is nothing in them. What a blotted, blurred, smeared prayer it is. Never mind; you are not come to the throne of justice, else when God percieved the fault in the prayer he would spurn it,- your broken words, your gaspings, and stammerings are before a throne of grace. When any one of us has presented his best prayer before God, if he saw it as God sees it, there is no doubt he would make great lamentation over it; for there is enough sin in the best prayer that was ever prayed to secure its being cast away from God. But it is not a throne of justice I say again, and here is the hope for our lame, limping supplications. Our condescending King does not maintain a stately etiquette in his court like that which has been observed by princes among men, where a little mistake or a flaw would secure the petitioner's being dismissed with disgrace. Oh, no; the faulty cries of his children are not severely criticized by him. The Lord High Chamberlain of the palace above, our Lord Jesus Christ, takes care to alter and amend every prayer before he presents it, and he makes the prayer perfect with his perfection, and prevalent with His own merits. God loks upon the prayer, as presented through Christ, and forgives all its own inherent faultiness. How this ought to encourage any of us who feel ourselves to be feeble, wandering, and unskillful in prayer. If you cannot plead with God as sometimes you did in years gone by, if you feel as if somehow or other you had gfrown rusty in the work of supplication, never give over, but come still, yea and come oftener, for it is not a throne of severe criticism, it is a throne of grace to which you come.

A.W. Pink on grace

"In the salvation of the dying thief we have a clear view of victorious grace such as is to be found nowhere else in the Bible. God is the God of all grace, and salvation is entirely by his grace. "By grace are ye saved" (Eph. 2:8), and it is "by grace" from beginning to end. Grace planned salvation, grace provided salvation, and grace so works on and in his elect as to overcome the hardness of their hearts, the obstinacy of their wills, and the enmity of their minds, and thus makes them willing to receive salvation. Grace begins, grace continues, and grace consummates our salvation." A.W. Pink