How does partnership in mitzvah performance relate to the reward allotment for that mitzvah?

From Life Lessons From Mishlei by R Aharon Kahn.

• Published: 2012-05-19T00:34:28.000Z
• Duration: 0:52:28
• Audio: https://media.ou.org/torah/127/4086/4086.mp3
• Page: http://outorah.org/p/4086
• TorahApp: https://torahapp.org/share/p/OU_127?e=http%3A%2F%2Foutorah.org%2Fp%2F4086