en_tn_condensed/luk/12/49.md

I came to cast fire upon the earth

"I came to throw fire on the earth" or "I came to set the earth on fire." Possible meanings are 1) Jesus has come to judge people or 2) Jesus has come to purify believers or 3) Jesus has come to cause division among people.

how I wish that it were already kindled

"I wish very much that it was already lit" or "how I wish that the fire had already begun"