KJV (4) not in vain

Verse ReferenceVerse Text
Isa 45:18For thus saith the LORD that created the heavens; God himself that formed the earth and made it; he hath established it, he created it not in vain, he formed it to be inhabited: I am the LORD; and there is none else.
1Co 15:10But by the grace of God I am what I am: and his grace which was bestowed upon me was not in vain; but I labored more abundantly than they all: yet not I, but the grace of God which was with me.
1Co 15:58Therefore, my beloved brethren, be ye steadfast, unmovable, always abounding in the work of the Lord, forasmuch as ye know that your labor is not in vain in the Lord.
1Th 2:1For yourselves, brethren, know our entrance in unto you, that it was not in vain: