Lech Lecha: Breaking Free From Your Surroundings
The Ramban comments on when the command of lech lecha was initially said to Avraham Avinu. He says that initially Avraham was in Ur Kasdim – that’s where they tried to burn him at the stake, and that’s where Hakodosh Boruch Hu found “his heart to be faithful.” After that episode, Avraham Avinu fled Ur Kasdim with the intention of going to Eretz Canaan, even before Hashem commanded him to go there. He went to Charan and was stopped there, and that’s where Hashem came to him and told him: lech lecha