be in vain # 52_1TH_03_05  For this cause, when I could no longer forbear, I sent to know your faith, lest by some means the tempter have tempted you, and our labour be in vain. ## For this cause, when I could no longer forbear, I sent to know your faith, lest by some means the tempter have tempted you, and our labour be in vain. 
be in vain # 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: