New Revised Standard Version
Yet the righteous hold to their way, and they that have clean hands grow stronger and stronger.

Contemporary English Version
They would do the right thing and because they did, they would grow stronger.

New American Bible
The righteous holds to his way, the one with clean hands increases in strength.

Douay-Rheims Bible
And the just man shall hold on his way, and he that hath clean hands shall be stronger and stronger.

And the just man shall hold on his way, and he that hath clean hands shall be stronger and stronger.

hold on

Psalm 84:7,11 For the lawgiver shall give a blessing, they shall go from virtue to virtue: the God of gods shall be seen in Sion. . . .

Proverbs 4:18 The way of the wicked is darksome: they know not where they fall.

Proverbs 14:16 A wise man feareth, and declineth from evil: the fool leapeth over, and is confident.

Isaiah 35:8-10 And a path and a way shall be there, and it shall be called the holy way: the unclean shall not pass over it, and this shall be unto you a straight way, so that fools shall not err therein. . . .

1 Peter 1:5 Who, by the power of God, are kept by faith unto salvation, ready to be revealed in the last time.

1 John 2:19 They went out from us but they were not of us. For if they had been of us, they would no doubt have remained with us: but that they may be manifest, that they are not all of us.

clean

Genesis 20:5 Did not he say to me: She is my sister: and she say, He is my brother? in the simplicity of my heart, and cleanness of my hands have I done this.

Psalm 24:4 The innocent in hands, and clean of heart, who hath not taken his soul in vain, nor sworn deceitfully to his neighbour.

Psalm 26:6 I will wash my hands among the innocent; and will compass thy altar, O Lord:

Psalm 73:13 And I said: Then have I in vain justified my heart, and washed my hands among the innocent.

Isaiah 1:15,16 And when you stretch forth your hands, I will turn away my eyes from you: and when you multiply prayer, I will not hear: for your hands are full of blood. . . .

Mark 7:2 And when they had seen some of his disciples eat bread with common, that is, with unwashed hands, they found fault.

be stronger and stronger.

Isaiah 40:29-31 It is he that giveth strength to the weary, and increaseth force and might to them that are not. . . .

2 Corinthians 12:9,10 And he said to me: My grace is sufficient for thee: for power is made perfect in infirmity. Gladly therefore will I glory in my infirmities, that the power of Christ may dwell in me. . . .