To say doctrine doesn't matter, only how you live matters, is itself a doctrine. It's the doctrine of salvation by works.

...the essence of gospel-humility is not thinking more of myself or thinking less of myself, it is thinking of myself less.

Rejoicing and repentance must go together. Repentance without rejoicing will lead to despair. Rejoicing without repentance is shallow and will only provide passing inspiration instead of deep change.

Legalism is looking to something besides Jesus Christ in order to be acceptable and clean before God.

The most rapturous delights you have ever had - in the beauty of a landscape, or in the pleasure of food, or in the fulfillment of a loving embrace - are like dewdrops compared to the bottomless ocean of joy that it will be to see God face-to-face (1 John 3:1-3). That is what we are in for, nothing less. And according to the Bible, that glorious beauty, and our enjoyment of it, has been immeasurably enhanced by Christ's redemption of us from evil and death.

We were designed to know, serve, and love God supremely - and when we are faithful to that design, we flourish.

We can only grasp the gospel's sweetness if we first grapple with its offense- you can't save yourself.