This image struck me as how life feels at times. Some days are "dark", some are "light". As we walk along the "corridor of time", we transition between these stages, as it were. It can be easy to forget one while experiencing the other.
"Yea, though I walk through the valley of the shadow of death, I will fear no evil: for thou art with me; thy rod and thy staff they comfort me." (Psalm 23:4)
"Yea, though I walk through the valley of the shadow of death, I will fear no evil: for thou art with me; thy rod and thy staff they comfort me." (Psalm 23:4)