This poor widow hath cast more in ... - That is, more in proportion to her means, and therefore more that was acceptable to God. He does not mean that this was more in value than all which the others had put in but it showed more love to the sacred cause, more self-denial, and, of course, more sincerity in what she did. This is the rule by which God will reward us. Compare 2 Corinthians 8:12.
Related Commentaries of Mark 12:43
Mark 12:43
43 And he called unto him his disciples, and saith unto them,Verily I say unto you, That this poor widow hath cast more in, than all they which have cast into the treasury: