You shall love your neighbor as yourself. (Lv 19:1-2, 11-18)
He will answer them, 'Amen, I say to you, what you did not do for one of these least ones, you did not do for me.' (Mt 25:31-46)
https://bible.usccb.org/bible/readings/022723.cfm
The readings from these first few days of Lent give us the true purpose of this whole season—to lead us to love of neighbor.