No matter how far the understanding of the soul is able to stretch itself, that is nothing in comparison to what it experiences when it is lifted beyond itself and placed in the bosom of God. Then the soul understands, finds its delight, and rests in the divine goodness; it cannot bring back any report of this, because it is completely beyond what the intelligence can conceive, and beyond words; but in this state the soul swims.

p. 208 - The Memorial and Instructions