When you waste a moment, you have killed it in a sense, squandering an irreplaceable opportunity.

Rabbi Menachem Mendel Schneerson

Rabbi Menachem Mendel Schneerson (April 18, 1902 OS – June 12, 1994 / AM 11 Nissan 5662 – 3 Tammuz 5754, Hebrew: מנחם מענדל שניאורסאהן‎, known to many as the Lubavitcher Rebbe or simply as the Rebbe, was a Russian Empire–born American Orthodox Jewish rabbi, and the last rebbe of the Lubavitcher Hasidic dynasty. He is considered one of the most influential Jewish leaders of the 20th century.

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