Reply To: Chabad Inspires all Jews to Yearn for Mashiach

about tefilah being the ikur avodah look in kuntres acharon דף קסב.
talmud torah was the ikur avoda in the times of gemarah – דף קיב. now is tzedakah
i did make a mistake and mix them together.
anyway, learn the whole tanya beiyun (today there are plenty of biurim printed)