Isaiah 56:2

The blessing attached to Isaiah 56:1 extends to mankind in general (note the expressions manand son of man), i.e. to all who comply with the conditions of membership in the Jewish community.

that layeth hold on it Better as R.V. that holdeth fast by it (and so Isaiah 56:4 and Isaiah 56:6).

that keepeth the sabbath from profaning it (R.V.)] (i.e. "so as not to profane it," so Isaiah 56:6). The same emphasis on Sabbath observance appears in ch. Isaiah 58:13, and so in Ezekiel 20:12 ff; Ezekiel 22:8; Ezekiel 22:26 (cf. Jeremiah 17:19 ff.). Although one of the most ancient of Israel's religious institutions (Exodus 20:8; Deuteronomy 5:15; Amos 8:5) the Sabbath acquired peculiar significance during the Exile, when the ordinances of public worship were suspended and the Sabbath and circumcision became the chief external badges of fidelity to the covenant of which it was the sign (Exodus 31:13-14; Ezekiel 20:12).

from doing any evil such offences as are specified in Isaiah 58:4 ff., Isaiah 59:3 f.