You've got to practice what you preach.

你必须言行一致。

Furthermore, not just in the " gain experience" sense but in your the " practice what you preach" sense.

此外，不只是在" 获得经验" 的意义上，而是在你的" 实践你所宣扬的" 意义上。

The purpose of the pictures is to show us that utmost significance should be attached to practicing what you preach.

这些漫画的目的是告诉我们应该充分重视以身作则的重要性。