'Indeed' in the Bible

He said to them, "Elijah indeed comes first, and restores all things. How is it written about the Son of Man, that he should suffer many things and be despised?

They said to him, "We are able." Jesus said to them, "You shall indeed drink the cup that I drink, and you shall be baptized with the baptism that I am baptized with;

Watch and pray, that you may not enter into temptation. The spirit indeed is willing, but the flesh is weak."