You need to persevere so that when you have done the will of God, you will receive what he has promised.
NIV
For you have need of steadfast patience and endurance, so that you may perform and fully accomplish the will of God, and thus receive and carry away [and enjoy to the full] what is promised.
AMP
For ye have need of patience, that, after ye have done the will of God, ye might receive the promise.
KJV
By calling this covenant "new," he has made the first one obsolete; and what is obsolete and outdated will soon disappear.
NIV
When God speaks of a new [covenant or agreement], He makes the first one obsolete (out of use). And what is obsolete (out of use and annulled because of age) is ripe for disappearance and to be dispensed with altogether.
AMP
In that he saith, A new covenant, he hath made the first old. Now that which decayeth and waxeth old is ready to vanish away.
KJV
Because he himself suffered when he was tempted, he is able to help those who are being tempted.
NIV
For because He Himself [in His humanity] has suffered in being tempted (tested and tried), He is able [immediately] to run to the cry of (assist, relieve) those who are being tempted and tested and tried [and who therefore are being exposed to suffering].
AMP
For in that he himself hath suffered being tempted, he is able to succour them that are tempted.
KJV
All who are under the yoke of slavery should consider their masters worthy of full respect, so that God's name and our teaching may not be slandered.
NIV
LET ALL who are under the yoke as bond servants esteem their own [personal] masters worthy of honor and fullest respect, so that the name of God and the teaching [about Him] may not be brought into disrepute and blasphemed.
AMP
Let as many servants as are under the yoke count their own masters worthy of all honour, that the name of God and his doctrine be not blasphemed.
KJV
For the secret power of lawlessness is already at work; but the one who now holds it back will continue to do so till he is taken out of the way.
NIV
For the mystery of lawlessness (that hidden principle of rebellion against constituted authority) is already at work in the world, [but it is] restrained only until he who restrains is taken out of the way.
AMP
For the mystery of iniquity doth already work: only he who now letteth will let, until he be taken out of the way.
KJV
Paul, Silas and Timothy, To the church of the Thessalonians in God the Father and the Lord Jesus Christ: Grace and peace to you.
NIV
PAUL, SILVANUS (Silas), and Timothy, to the assembly (church) of the Thessalonians in God the Father and the Lord Jesus Christ (the Messiah): Grace (spiritual blessing and divine favor) to you and [heart] peace.
AMP
Paul, and Silvanus, and Timotheus, unto the church of the Thessalonians which is in God the Father and in the Lord Jesus Christ: Grace be unto you, and peace, from God our Father, and the Lord Jesus Christ.
KJV
I face death every day – yes, just as surely as I boast about you in Christ Jesus our Lord.
NIV
[I assure you] by the pride which I have in you in [your fellowship and union with] Christ Jesus our Lord, that I die daily [I face death every day and die to self].
AMP
I protest by your rejoicing which I have in Christ Jesus our Lord, I die daily.
KJV