Now faith is the substance of things hoped for, the evidence of things not seen. —Hebrews 11:1

Sacrifices and offerings thou hast not desired, but a body hast thou prepared for me... Lo, I have come to do thy will, O God. —Hebrews 10:5, 7

The Israelites' experiences of suffering and anguish seem to be in the distant past. But Psalm 137 transports us to that harsh reality in which we are enveloped with human emotions.