It is easy to see how superstition, with its false glosses, mocks God, while it tries to please him. - John Calvin

It is a very important consideration that we are consecrated and dedicated to God; it means that we may think, speak, meditate, or do anything only with a view to his glory.

For he [David] confesses that prosperity had so stupefied and benumbed his senses that he disregarded the grace of God on which he should have depended, relied on himself instead, and imagined that he could not fall.

We should not insist on absolute perfection of the gospel in our fellow Christians, however we may strive for it ourselves.