How our ancestors affected the future, for our benefit:

(And perhaps the effect of our actions, their future descendants, as a back-ripple in time helping them!) 

Two (long) posts (A & B) on this topic for Parshat "Lech Lecha":

 A: The deeper-level purpose of

i. a specific divine prophecy to Avram about the future; 

ii. various 'tests' of Avram & Sara;

in this week's Torah portion (re parshat 'Lech lecha');



B: The hidden depths of meaning and interlocking strands underlying various fateful events involving Avram as revealed via a kabbalistic interpretation.