Likutei Sichos – Vol 28 p 7 ff The Longest Journey – A wonderful series on how the Jewish people prepared to receive the Torah. The series covers in detail the events of the entire week from the arrival at Har Sinai until the day Hashem gave the Torah
YisroTrue Freedom (151)(1-5) Rosh Chodesh Sivan (3) A Trip to a Place called “Tired”Likutei Sichos vol. 28 page 07 ff.
Likutei Sichos - Vol 28 p 131 ff - Awaiting Moshiach as seen through the eyes of the Parah Adumah
Likutei Sichos Vol 28 p 131 ff
Chukas Para Aduma and a prayer for Moshiach. This Sicha explores the RaMbaM’s prayer for Moshiach in the middle of the laws of Para Aduma and explains that there is a Halacha in this. It is law in Tefilla (hinted and not said outright) that the time to pray for Moshiach is always.