Perek Shira’s Rooster
Voices his fourth from the desk of Yaakov Avinu.
לישועתך קויתי ה׳
The Zohar teaches, Yaakov is the outside, Moshe the inside.
Yaakov is the kav, Moshe the light flowing through it.
לישועתך קוינו כל היום
If you produce the kav, Hashem will fill it with His Light.
תפארת שבנצח