1)
יכול מראש חדש -
What is the significance of Rosh Chodesh?
2)
יכול מראש חדש -
What is the special significance of Rosh-Chodesh-Nisan, as a step towards the Redemption?
3)
יכול מראש חדש -
The Korban Pesach in Mitzrayim had three significant dates - the Mitzvah was commanded on Rosh Chodesh Nisan; it was to be purchased on the 10th; and slaughtered on the 14th. According to Maharal, why on these three specific dates?
4)
בשעה שיש מצה ומרור מונחים לפניך -
Why must one not start the Seder until nightfall?