Charles Spurgeon Commentary Isaiah 58:9-11

"Then shalt thou call, and Jehovah will answer; thou shalt cry, and he will say, Here I am. If thou take away from the midst of thee the yoke, the putting forth of the finger, and speaking wickedly; and if thou draw out thy soul to the hungry, and satisfy the afflicted soul: then shall thy light rise in darkness, and thine obscurity be as the noonday; and Jehovah will guide thee continually, and satisfy thy soul in dry places, and make strong thy bones; and thou shalt be like a watered garden, and like a spring of water, whose waters fail not." — Isaiah 58:9-11 (ASV)

And speaking vanity; And if you draw out your soul to the hungry, and satisfy the afflicted soul; then shall your light rise in obscurity, and your darkness be as the noon day: And the LORD shall guide you continually, and satisfy your soul in drought, and make fat your bones:

You see, by giving comes getting. According to the philosophy of God, it is by watering others that we get watered ourselves. God feeds the man that feeds others. He made fat the bones of the hungry. Now, God says he will make fat his bones. He satisfied the souls of those that were in drought as best he could, and now God will satisfy his soul in drought, and make him: