Genesis 13:10-13 (ESV)
10 And Lot lifted up his eyes and saw that the Jordan Valley was well watered everywhere like the garden of the Lord, like the land of Egypt, in the direction of Zoar. (This was before the Lord destroyed Sodom and Gomorrah.)
11 So Lot chose for himself all the Jordan Valley, and Lot journeyed east. Thus they separated from each other.
12 Abram settled in the land of Canaan, while Lot settled among the cities of the valley and moved his tent as far as Sodom.
13 Now the men of Sodom were wicked, great sinners against the Lord.
Matthew Henry on Genesis 13:10-13
Now Lot’s coming to dwell among the Sodomites may be considered,
(1.) As a great mercy to them, and a likely means of bringing them to repentance; for now they had a prophet among them and a preacher of righteousness, and, if they had hearkened to him, they might have been reformed, and the ruin prevented. Note, God sends preachers, before he sends destroyers; for he is not willing that any should perish.
(2.) As a great affliction to Lot, who was not only grieved to see their wickedness (2 Peter 2:7-8), but was molested and persecuted by them, because he would not do as they did. Note, It has often been the vexatious lot of good men to live among wicked neighbours, to sojourn in Mesech (Psalms 120:5), and it cannot but be the more grievous, if, as Lot here, they have brought it upon themselves by an unadvised choice.
(from Matthew Henry’s Commentary on the Whole Bible, PC Study Bible Formatted Electronic Database Copyright © 2006 by Biblesoft, Inc. All Rights reserved.)