Cross reference
1 Corinthians 15:36
36 Thou foolish one, that which thou thyself sowest is not quickened except it die:
John 12:24
24 Verily, verily, I say unto you, Except a grain of wheat fall into the earth and die, it abideth by itself alone; but if it die, it beareth much fruit.
Luke 11:40
40 Ye foolish ones, did not he that made the outside make the inside also?
Luke 12:20
20 But God said unto him, Thou foolish one, this night is thy soul required of thee; and the things which thou hast prepared, whose shall they be?
Luke 24:25
25 And he said unto them, O foolish men, and slow of heart to believe in all that the prophets have spoken!
Romans 1:22
22 Professing themselves to be wise, they became fools,
Ephesians 5:15
15 Look therefore carefully how ye walk, not as unwise, but as wise;