* learning.
  4:3,4  De 29:4  Pr 14:6  Isa 30:10,11  Eze 14:4-10  Mt 13:11 
  Joh 3:20,21  5:44  12:42,43  1Co 3:1-4  Eph 4:14  Heb 5:11 
 * never.
  1Ti 2:4 
 * the knowledge.
  2:25