He sitteth alone. See Lam. 1:1, where in Hebrew the same words are used of Jerusalem (also see Jer. 15:17). This solitary condition is now recognized as being for Jerusalem's benefit.
Verses 28-30 elaborate on what it really means to “bear the yoke” (v. 27). They become even more forceful when it is remembered that this patient humiliation is to be borne in the days of youth.
Borne. Rather, “laid.” The subject, though not stated, must be the Lord. The fact that it is God who imposes the hardship is the basic reason why it is wholesome to endure the yoke.