Isaiah 50:10

Those who fear the Lord are exhorted to imitate the Servant's trust in God.

that obeyeth the voice of his servant (lit. "that hearkeneth to" &c.). The LXX. reads "let him hearken," which certainly gives a better balanced verse: "Whoso among you feareth Jehovah, let him hearken" &c. The reference is not merely to the words just spoken (Isaiah 50:4), but to the whole revelation of which the Servant is the organ.

that walketh Better, as R.V., he that walketh commencing a new sentence.

in darkness lit. "in dark places"; i.e. in trouble.

let him trust &c. Cf. ch. Isaiah 26:4; Habakkuk 2:4.