God's transcending nature must be understood as oneness and simplicity, unscalable height and unfathomable depth, incomprehensible breadth and infini… - John of Ruysbroeck

But yet another thing is necessary, Purity of spirit; for an intelligence in repose without images, an intuition in the light of God, and a spirit elevated in Purity to the Face of God, these three qualities united constitute the true contemplative life, where none can err; for the pure spirit expands ceaselessly and follows rapidly in purified love, the enlightened intelligence towards its Cause.

God is more interior to us than we are to ourselves. His acting in us is nearer and more inward than our own actions. God works in us from inside outwards; creatures work on us from the outside.

To die to sin is to live to God, to be emptied of self and detached from all that pleases or displeases, leads to the Kingdom of God; heart and desire must close to things of earth to open to God and things eternal, if we desire to taste and see that the Lord is sweet