We concern ourselves if we are not rewarded by our good deeds.
God saw it. He is your rewarder.
Job 34:21 (KJV) – for his eyes are upon the ways of man, and he seeth all his goings.
Galatians 6:9 (KJV) – and let us not be weary in well doing: for in due season we shall reap, if we faint not.