Cross reference
1 Corinthians 15:36
36 Thou fool, that which thou sowest is not quickened, except it die:
John 12:24
24 Verily, verily, I say unto you, Except a corn of wheat fall into the ground and die, it abideth alone: but if it die, it bringeth forth much fruit.
Luke 11:40
40 Ye fools, did not he that made that which is without make that which is within also?
Luke 12:20
20 But God said unto him, Thou fool, this night thy soul shall be required of thee: then whose shall those things be, which thou hast provided?
Luke 24:25
25 Then he said unto them, O fools, and slow of heart to believe all that the prophets have spoken:
Romans 1:22
22 Professing themselves to be wise, they became fools,
Ephesians 5:15
15 See then that ye walk circumspectly, not as fools, but as wise,