O my God, I trust in thee: let me not be ashamed, let not mine enemies triumph over me.
Ashamed — Disappointed of my hope.
 Yea, let none that wait on thee be ashamed: let them be ashamed which transgress without cause.
Cause — Without any provocation of mine.
 Shew me thy ways, O LORD; teach me thy paths.
Teach — Teach me my duty, and cause me to keep close to it, notwithstanding all temptations.
 Good and upright is the LORD: therefore will he teach sinners in the way.
Upright — Holy and true, in all his declarations and offers of mercy to sinners.
Therefore — He will not be wanting to such poor sinners as I am, but will guide them into the way of life and peace.
 The meek will he guide in judgment: and the meek will he teach his way.
The meek — Such as meekly submit themselves to God, and are desirous to be directed and governed by him.
Judgment — In the paths of judgment, in the right way.
 All the paths of the LORD are mercy and truth unto such as keep his covenant and his testimonies.
Paths — All the dealings of God with them, yea even those that are afflictive, are done in kindness and faithfulness to them.
 For thy name's sake, O LORD, pardon mine iniquity; for it is great.
For — Or, though (as this particle is often rendered) it be great. Possibly he speaks of his sin against Uriah and Bathsheba. Great - Or, much or manifold. For the Hebrew word signifies both great and much.
 What man is he that feareth the LORD? him shall he teach in the way that he shall choose.
Chuse — Which God appointeth.
 His soul shall dwell at ease; and his seed shall inherit the earth.
At ease — Heb. in Good; in the possession and enjoyment of the true good.
The land — Canaan; which was given as an earnest of the whole Covenant of Grace, and all its promises.
 The secret of the LORD is with them that fear him; and he will shew them his covenant.
Will shew — He will make them clearly to understand it, both its duties and its blessings; neither of which ungodly men rightly understand.
 Mine eyes are ever toward the LORD; for he shall pluck my feet out of the net.
Pluck — He will deliver me out of all my troubles.
 O keep my soul, and deliver me: let me not be ashamed; for I put my trust in thee.
Soul — My life.
 Redeem Israel, O God, out of all his troubles.
Israel — If thou wilt not help me, yet spare thy people who suffer for my sake, and in my sufferings.