the imitation of Christ, the 3rd book: chapter xxxv (that there is no security against temptation in this life)

THAT THERE IS NO SECURITY AGAINST TEMPTATION IN THIS LIFE “My Son, you are never secure in this life, but your spiritual armor will always be needful for you as long as you live. You dwell among foes, and are attacked on the right hand and on the left. If therefore you use not, on [...]