Mark 12:41-44 41 And Jesus sat down opposite the treasury, and began watching how the people were putting money into the treasury; and many rich people were putting in large amounts. 42 And a poor widow came and put in two lepta coins, which amount to a quadrans. 43 Calling His disciples to Him, He said to them, “Truly I say to you, this poor widow put in more than all the contributors to the treasury; 44 for they all put in out of their surplus, but she, out of her poverty, put in all she owned, all she had to live on.”
We must give God everything we have even if we think we don't have much to give, we must understand that he is always watching us and that he does not see how much we can give, but sees everything we can give.
For this reason, the widow spoken of in this verse was a great example because she gave everything, we, like her, must give everything, even if we think we do not have much, what interests God is that we give ourselves completely no matter what we have is a lot or a little.
What God wants is that we give ourselves completely to him, we can see this in Abraham when God asks him to offer his son in a holocaust (burnt offering), his son was his whole life, his manhood, his promise, his inheritance , but even so he gave everything, because being a rich man, he did not give of the many lambs that he could have in his flock, but he gave his son.
When we see this we realize that Abraham is a figure of God the Father who gave his only begotten son, Jesus Christ, to atone for our sins and thus bring eternal life, the Father gave everything, the son gave himself completely.
Let us take the example of our Beloved and seek to give everything we have without belittling ourselves without thinking if it is a lot or a little, but thinking that we are giving everything.
John 10:18 No one has taken it away from Me, but I lay it down on My own. I have authority to lay it down, and I have authority to take it back. This commandment I received from My Father.”
2 Corinthians 5:21 He made Him who knew no sin to be sin in our behalf, so that we might become the righteousness of God in Him.
Luke 10:27 And he answered, “You shall love the Lord your God with all your heart, and with all your soul, and with all your strength, and with all your mind; and your neighbor as yourself.”