Happy Tu BeShvat, the Jewish New Year of the Trees. Tu BeShevat 2021 begins in the evening of Wednesday, January 27 and ends at sundown on Thursday, January 28.
Sukkot is a time of great rejoicing. There are at least three commands given by God in relationship to the Feast: the children of Israel are to 1) dwell in sukkot (booths), 2) gather the Four Species, and 3) Rejoice.
God is holy, and He must be regarded as holy (Lev. 19:2). Sin cannot exist where He is, and in fact His eyes are too pure even to look upon evil (Hab. 1:13). If God is to be approached, it must be according to His prescribed means.