en_tn_condensed/luk/15/18.md

I will get up

This is an idiom that means he will begin to act. It does not mean that he was sitting or lying down when he said these words. (See: rc://en/ta/man/jit/figs-idiom)

I have sinned against heaven

Jewish people sometimes avoided saying the word "God" and used the word "heaven" instead. Alternate translation: "I have sinned against God" (See: rc://en/ta/man/jit/figs-metonymy)