Even the sufferings of Iyuv for seventy years is no comparison to the suffering of a soul for even one hour in Gehenim.
This "world is built on kindness,"
through mild suffering in This World one is saved from severe judgments in Olam haba.
Accept pain and sufferings b'simcha. It's a cleanser.
A little bit in this world has a big effect in the upper world.
One mitzvah here - big things happening Above, to Sovev Kol Almin...
The reward of a Mitzvah is the Mitzvah....the spiritual "light" that is brought down through the fulfillment of the mitzvah.