The incidences involving Yosef and his brother, Pharaoh and the Jews, and Shlomo with the Angel of Death highlight the idea that extra efforts can result in the opposite of the intended outcome.

Gemara Taanit 21b- various explanation of story of Rav/R Huna's neighborhoods being spared from imminent damage in merit of a person who did kindness (lent shovel for burial, heated oven for others to use)

2 sections- debate R Elazar/Rabba if Mishnayos/Beraissa were taughtet before/after heter keilim ("l'tzorech gufo"), debate Rabba/Rava how to explain mach TK/RN in "l'tzorech"/"shelo l'tzorech"

2 sections- debate R Elazar/Rabba if Mishnayot/Beraitta were taughtet before/after heter keilim ("l'tzorech gufo"), debate Rabba/Rava how to explain mach TK/RN in "l'tzorech"/"shelo l'tzorech"

Not only will extra, inappropriately-intended hishtadlus not yield positive results, but it can also cause detriment.

2 sections- halachos of stick used for checking olives and examples of muktzeh machmas chisaron kis, debate regarding stages in development of muktzeh enactments (after Nechemia)

2 sections- halachot of stick used for checking olives and examples of muktzeh machmat chisaron kis, debate regarding stages in development of muktzeh enactments (after Nechemia)

Various stories highlighting the potential concern for calamities that could spread and then eed to anticipate with fasting, etc.

1 section- permissible to move the detached doors of vessels on Shabbat

We are not on the level of the generation of the midbar, but can nonetheless learn "reliance" on Hashem from them. Additionally benefit is a society devoid of jealousy. Illustration with story of Brisket Rav.