Parshas Vayikra

(The Segulah of Learning Zera Shimshon)

The Midrash in Vayikra (1:6) tells us that Moshe Rabbeinu was troubled because he was not able to contribute anything towards the Mishkan. Hashem responds, "I enjoy your speech more than anything else."

The speech the Midrash is referring to is Moshe's ongoing conversations with the the craftsmen constructing the Mishkan. This overseeing was more precious than all the donations.

Bava Basra 9a tells us, "One who convinces someone to do a mitzvah is greater than the person himself who does the mitzvah." Moshe was the one who encouraged everyone else building the Mishkan and ensured that the construction took place, and Hashem treasured him for it. It was as if Moshe himself had done everything.

Source: Zera Shimshon Parshas Vayikra