Matius 7:17-18

7:17 In the same way, every good tree bears good fruit, but the bad ¹  tree bears bad fruit. 7:18 A good tree is not able to bear bad fruit, nor a bad tree to bear good fruit.

Matius 12:33-34

Trees and Their Fruit

12:33 “Make a tree good and its fruit will be good, or make a tree bad ²  and its fruit will be bad, for a tree is known by its fruit. 12:34 Offspring of vipers! How are you able to say anything good, since you are evil? For the mouth speaks from what fills the heart.

Matius 15:19

15:19 For out of the heart come evil ideas, murder, adultery, sexual immorality, theft, false testimony, slander.

[7:17]  ¹ tn Grk “rotten.” The word σαπρός, modifying “tree” in both v. 17 and 18, can also mean “diseased” (L&N 65.28).

[12:33]  ² tn Grk “rotten.” The word σαπρός, modifying both “tree” and “fruit,” can also mean “diseased” (L&N 65.28).