For this cause I also, when I couldn't stand it any longer, sent that I might know your faith, for fear that by any means the tempter had tempted you, and our labor would have been in vain.
For this cause, when I could no longer forbear [because I couldn't really take it any longer], I sent to know your faith, lest by some means the tempter have tempted you, and our labor be in vain ( 1 Thessalonians 3:5 ).