(43) And take not the word of truth utterly out of my mouth; for I have hoped in thy judgments.
Is the Word of truth in our mouths? It must be in our hearts before it is on our lips. As verse 27 says, "Make me to understand the way of thy precepts: so shall I talk of thy wondrous works." When God's Word is our hope, we will speak of it.
(44) So shall I keep thy law continually for ever and ever.
Daily we must make the commitment to keep God's law. Today, tomorrow, the next day, the next day . . . every day of our life. It is not enough to simply keep it one day. It must be our lifestyle.
(45) And I will walk at liberty: for I seek thy precepts.
Liberty - OT:7342 rachab (raw-khawb'); from OT:7337; roomy, in any (or every) direction, literally or figuratively:
As Romans 6 says, "Know ye not, that to whom ye yield yourselves servants to obey, his servants ye are to whom ye obey; whether of sin unto death, or of obedience unto righteousness? But God be thanked, that ye were the servants of sin, but ye have obeyed from the heart that form of doctrine which was delivered you. Being then made free from sin, ye became the servants of righteousness." (Romans 6:16-18) Whether or not we want to accept it, the truth is that a person is either enslaved to sin or enslaved to righteousness. We like to think there is freedom in sin and following our own ways and slavery to righteousness and following God's way, but it's the opposite: only in following God is there liberty.