Skanda Purana 1.4.3.37

1.4.3.37

yajñabhājāṃ munīnāṃ yadupakārakaraṃ sadā..
satāṃ dharmavatāṃ yadvadupakāro na śāmyati.. 5.37 ..

which always confers benefit upon the sages who participate in sacrifices, / just as the benefaction of the good and righteous never ceases;