What can we learn from the cycle of the moon, how she ever waxes and wanes and waxes again?

That a time of smallness is a crucial phase in achieving greatness;
And a time of greatness is a crucial time to make yourself small.

For in smallness lies the power to receive
and in receiving lies the power to become great.

So that greatness endures only through its power to return to smallness and receive once again.

Vayakhel-Pekudei 5732:1. 5740:5. Torat Menachem 5742, vol. 3, p. 1372.