eruvin 41

limiting the afflictions - not completely fasting if it will disturb the shabbat peace or festive joy
to
not having to suffer Gehenna (hell) if one has suffered enough in this world.

but there is the death that can strike without warning. without any preparatory suffering...

brachot 5

saying the shema at night is like a sword of protection


but not everything should be protected against.
Resh Lakish: suffering is a loving rebuke, some things can only be achieved by suffering.

but for R.Yochanan, who would carry his dead child's bone, not all suffering has meaning...


and Abba Binyamin would lie in bed at night, lie in the right direction and say shema.








(english translation for this talmud page see here)