Which am but dust and ashes - עפר ואפר aphar vaepher, words very similar in sound, as they refer to matters which so much resemble each other. Dust - the lightest particles of earth. Ashes - the residuum of consumed substances. By these expressions he shows how deeply his soul was humbled in the presence of God. He who has high thoughts of himself must have low thoughts of the dignity of the Divine nature, of the majesty of God, and the sinfulness of sin.

Ephesians 6:18 Praying always with all prayer and supplication in the Spirit...

Hebrews 4:16 Let us therefore come boldly to the throne of grace, that we may obtain mercy, and find grace to help in time of need.

There is a Great Question About Lying, which Often Arises in the Midst Of...
1. There is a great question about Lying, which often arises in the midst of our every day business, and gives us much trouble, that we may not either rashly call that a lie which is not such, or decide that it is sometimes right to tell a lie, that is, a kind of honest, well-meant, charitable lie. This question we will painfully discuss by seeking with them that seek: whether to any good purpose, we need not take upon ourselves to affirm, for the attentive reader will sufficiently gather from the …
St. Augustine—On Lying

Difficulties and Objections
"Yet ye say, The way of the Lord is not equal. Hear now, O house of Israel; Is not My way equal? are not your ways unequal?" (Ezek. 18:25). A convenient point has been reached when we may now examine, more definitely, some of the difficulties encountered and the objections which might be advanced against what we have written in previous pages. The author deemed it better to reserve these for a separate consideration rather than deal with them as he went along, requiring as that would have done the …
Arthur W. Pink—The Sovereignty of God

How those are to be Admonished who Praise the Unlawful Things of which they are Conscious, and those who While Condemning Them, in no Wise Guard
(Admonition 32.) Differently to be admonished are they who even praise the unlawful things which they do, and those who censure what is wrong, and yet avoid it not. For they who even praise the unlawful things which they do are to be admonished to consider how for the most part they offend more by the mouth than by deeds. For by deeds they perpetrate wrong things in their own persons only; but with the mouth they bring out wickedness in the persons of as many as there are souls of hearers, to …
Leo the Great—Writings of Leo the Great