From David in Israel: Charity and Tithing (Tzedaka) Law in Israel
Since it is a major focus of your blog, I thought you would like to see a few of the Jewish laws regarding Tzedaka. All things in this world are created by Hashem, the only thing we can claim is our ability to choose good or evil. To remind us that he is the owner (among other reasons) he requires we contribute 10% of all our produce from the field (plus another 10% to the Levim and another 2-3% to the Cohenim (aka, the Priests and their assistants) We extend the 10% of Tzedaka to all income almost like a …