Description:
As articulated by the Torah, the same logic that motivated Hashem to destroy the world, seems to motivate Hashem to swear that He will never again destroy the world.
If humanity is still completely evil, What was accomplished by the flood?
Sources:
Bereishis Perek 5 Pesukim 5 - 8
Noach Perek 8 Pesukim 20 - 21
Baal Haturim Perek 8 Possuk 21
Bereishis Perek 27 Possuk 27
Gemara Sanhedrin 37 A
Arizal Likkutei Torah Parshas Ki Sisa