en_tn/mat/06/30.md

Jesus continues to teach his disciples. This event began in Matthew 5:1. Jesus is talking to a group of people about what might happen to them as individuals. The instances of “you” and “your” are plural.

grass

If your language has a word that includes "grass" and the word you used for "lilies" in Matthew 6:27, you can use it here.

thrown into the oven

The Jews of Jesus' day used grass in their fires to cook their food (see UDB). Alternative translation: "thrown into the fire" or "burned up."

O you of little faith

Jesus is scolding the people because they have little faith in God.Alternative translation: "You who have such little faith" or as a new sentence, "Why do you have such little faith?"

Therefore

Alternative translation: "Because of all of this."