If we rely on anything else besides faith to maintain the practice of the presence of God, we will certainly fail, whether this is our feelings, or experiences, or sincerity, or good intentions, or reasonings, or plans. The reason these things will fail while faith will not fail is that all these things depend on us, while faith depends on God. It is a gift of God.
Peter KreeftNo emotion, merely as an emotion, is a sin, because we cannot directly control the arising of an emotion in our soul.
Peter KreeftSocrates: So even our walks are dangerous here. But you seem to have avoided the most dangerous thing of all. Bertha: What's that? Socrates: Philosophy. Bertha: Oh, we have philosophers here. Socrates: Where are they? Bertha: In the philosophy department. Socrates: Philosophy is not department. Bertha: Well, we have philosophers. Socrates: Are they dangerous? Bertha: Of course not. Socrates: Then they are not true philosophers.
Peter KreeftIf you place [your bet] with God, you lose nothing, even if it turns out that God does not exist. But if you place it against God, and you are wrong and God does exist, you lose everything.
Peter KreeftTrusting God's grace means trusting God's love for us rather than our love for God. [...] Therefore our prayers should consist mainly of rousing our awareness of God's love for us rather than trying to rouse God's awareness of our love for him, like the priests of Baal on Mount Carmel (1 Kings 18:26-29).
Peter Kreeft