Cross reference
1 Corinthians 15:36
36 unwise! thou -- what thou dost sow is not quickened except it may die;
John 12:24
24 verily, verily, I say to you, if the grain of the wheat, having fallen to the earth, may not die, itself remaineth alone; and if it may die, it doth bear much fruit;
Luke 11:40
40 unthinking! did not He who made the outside also the inside make?
Luke 12:20
20 `And God said to him, Unthinking one! this night thy soul they shall require from thee, and what things thou didst prepare -- to whom shall they be?
Luke 24:25
25 And he said unto them, `O inconsiderate and slow in heart, to believe on all that the prophets spake!
Romans 1:22
22 professing to be wise, they were made fools,
Ephesians 5:15
15 See, then, how exactly ye walk, not as unwise, but as wise,