I was encouraged by a brother today to continue in obedience to Truth, even when my heart isn't quite there. I know God is Truth and that His Word is Truth. I'm just not always passionate about it. But I will press on to take hold of Him who has already taken hold of me.
Also this quote from Henry Scougal's The Life of God in the Soul of Man helped me understand this recently.
...nor need we fear the imputation of hypocrisy, though our actions do thus somewhat out-run our affections, seeing they do still proceed from a sense of our duty; and our design is not to appear better than we are, but that we may really become so