Revelation 2:23

and I will say her children with death; and all the congregations shall know that I am he who search the reins and the heart; and I will give to every one of you according to your works.

Treasury of Scripture Knowledge

Summary

I know also, my God, that thou triest the heart, and hast pleasure in uprightness. As for me, in the uprightness of mine heart I have willingly offered all these things: and now have I seen with joy thy people, which are present here, to offer willingly unto thee.

Triest the heart

Bible References

Triest the heart

Revelation 2:23
and I will say her children with death; and all the congregations shall know that I am he who search the reins and the heart; and I will give to every one of you according to your works.