The More Participants, the Greater the Honor of Gd - BeRov Am Hadrat Melech
The desire to have more participants, vs. the importance of performing Mitzvot as early as possible: Rosh HaShanah 32b
Regarding the number of Kohanim partcipating in the Service of the Pesach Offering: Pesachim 64b; Zevachim 14b
Regarding the number of people involved in Harvesting the Omer's Flour-Offering: Menachot 63b-64a
Regarding the number of people watching Temple Services: Yoma 70a
Regarding the number of participants in Preparing the Temple's Menorah: Succah 52b
Regarding the number of people who are partners/attendees in a Synagogue: Megillah 27b
One ought to increase up to 1/3 of the value of a lesser item, in order to purchase a finer item for a Mitzvah: Bava Kama 9a-b
Calculation of 1/3 as inclusive or exclusive of the actual 1/3: Bava Kama 9b
The added 1/3 is rewarded after death, but additions over 1/3 are paid back in this world: Bava Kama 9b
Gd had mercy on the Jews' property [chas HaKadosh Baruch Hu al mammonam shel Yisrael], limiting what they had to spend for a specific mitzvah: Rosh HaShanah 27a; Yoma 39a, 44b; Zevachim 6b
Greater expenditure shows love of the Mitzvah: Succah 41b
Showing love of the Mitzvah
Bringing the circumcision knife in a visible fashion: Shabbat 130a
The mitzvot which were accepted with joy are the ones which stay, like circumcision: Shabbat 130a
The mitzvot which were reluctantly accepted are the one which people still have trouble with, like adultery and incest: Shabbat 130a
Drinking wine associated with a special blessing in large gulps: R. Succah 49b "Migamaya"