The Gemara (Bab. Ber. 24b*) quotes R' Yehudah as saying that anyone who leaves Bavel to go to Israel violates an Isur 'Aseh (a violation of the parameters of a positive commandment), because the Navi ...
I heard that we don't have to give maaser from our income nowadays because we are outside of Israel and without the Beit Hamikdash. Is this true?