The Ikkar (main aspect) of Yom Tov (festival holy days)
The Sefat Emet, translated by A. Green
"The inner life force of God that exists within all creatures is revealed on these festivals. That is why they are called mikra’ey kodesh, ‘holy assemblies’... [One] can call forth the holiness of these days, and also...the holiness itself calls forth to us....
"Each of us comes into this world with certain sparks that it is our task to raise. The hashgacha pratit (Divine Providence) one encounters will lead them specifically to where they need to do this work....
"When Hashem created the world, He placed Adam and Chava in Gan Eden, where Good and Evil were distinct, and it was clear that Hashem was at the Origin of everything....
"Our task is to cling to Kedusha (Divine Holiness) and counteract the Sitra Achra (Evil Inclination). Evil does not have any independent or concrete existence. It is just the 'illusion of something other than Hashem' and lacks consistency....