No one lights a lamp and covers it with a jar or puts it under a bed. Instead, he sets it on a stand, so those who enter can see the light.
The former paragraph began with an account of Christ's industry in preaching (Luk 8:1); this begins with an account of the people's industry in hearing, Luk 8:4. He went into every city, to preach; so they, one would think, should have contented themselves to hear him when he came to their own city (we know those that would); but there were those here that came...
Commenting on Luke 8:4-21
For nothing is secret that shall not be made manifest,.... Meaning, whatever was then wrapped up in parables and dark sayings, or was secretly, and in a private manner, committed to them, should be made manifest by them to others hereafter: neither any thing hid, that shall not be made known, and come abroad; for what had been whispered to them, in the most secret...
PARABLE OF THE SOWER. (Luk 8:4-18) No man, &c.--(see on Mat 5:15, of which this is nearly a repetition).