Here is a brief clip of Ligon Duncan explaining where and how sound doctrine matters…

The Winds Blow Hardest Against the Tallest Trees
Through the weekend had many questions about Christian leaders who fall. And I expressed that just as the winds blow hardest against the tallest trees, so temptations may press hardest against the leaders who rise the highest. Just as floods press against shallow roots, so seductive desires rise up against those whose fall would bring…