Question

how are certain ideas / custom / knowledge passed one generation to the next

Answer 1

because we learned great things from ancient .

Answer 2

HI ,
FRIEND !

HERE IS YOUR ANSWER :-

IDEAS , CUSTOMS AND KNOWLEDGE ARE PASSED THROUGH GENERATIONS BY THE ELDERS OF THE FAMILY . IT DEPENDS ON YOU IF YOU WANT TO TAKE THOSE IDEAS , CUSTOMS AND KNOWLEDGE INSIDE YOU OR ON YOU .

HOPE IT HELPS
^_^