If you're not pushing your own technique to its own limits with the risk that it might just crumble at any moment, then you're not really doing your job.
“In this ever-changing world, it's more important than ever that our top-notch military continues to receive the resources needed to serve and protect our country.”
“Do not for a moment suppose that you must make yourself better, or prepare your heart for a worthy reception of Christ, but come at once - come as you are.”