1:29-39 Wherever Christ comes, he comes to do good. He cures, that we may minister to him, and to others who are his, and for his sake. Those kept from public ordinances by sickness or other real hinderances, may expect the Saviour's gracious presence; he will soothe their sorrows, and abate their pains. Observe how numerous the patients were. When others speed well with Christ, it should quicken us in seeking after him. Christ departed into a solitary place. Though he was in no danger of distraction, or of temptation to vain-glory, yet he retired. Those who have the most business in public, and of the best kind, must yet sometimes be alone with God.
30. But Simon's wife's mother lay sick of a fever—Luke, as was natural in "the beloved physician" (Col 4:14), describes it professionally; calling it a "great fever," and thus distinguishing it from that lighter kind which the Greek physicians were wont to call "small fevers," as Galen, quoted by Wetstein, tells us.
they tell him of her—naturally hoping that His compassion and power towards one of His own disciples would not be less signally displayed than towards the demonized stranger in the synagogue.