in vain in # 46_1CO_15_58  Therefore, my beloved brethren, be ye stedfast, unmoveable, always abounding in the work of the Lord, forasmuch as ye know that your labour is not in vain in the Lord. ## Therefore, my beloved brethren, be ye stedfast, unmoveable, always abounding in the work of the Lord, forasmuch as ye know that your labour is not in vain in the Lord. 
in vain in # 47_2CO_09_03  Yet have I sent the brethren, lest our boasting of you should be in vain in this behalf; that, as I said, ye may be ready_ ## Yet have I sent the brethren, lest our boasting of you should be in vain in this behalf; that, as I said, ye may be ready: