the imitation of Christ, the 3rd book: chapter liv (the diverse motions of nature and grace)

OF THE DIVERSE MOTIONS OF NATURE AND OF GRACE “” My Son, pay diligent heed to the motions of Nature and of Grace, because they move in a very contrary and subtle manner, and are hardly distinguished, save by a spiritual and inwardly enlightened man. All men indeed seek good, and make pretence of something [...]

the imitation of Christ, the 2nd book: chapter iv (a pure mind and simple intention)

OF A PURE MIND AND SIMPLE INTENTION “By two wings is man lifted above earthly things, even by simplicity and purity. Simplicity ought to be in the intention, purity in the affection. Simplicity reaches towards God, purity apprehends Him and tastes Him. No good action will be distasteful to you, if you be free within, [...]