8 These souls will give their heart’s blood to anyone that serves God, and will help others to serve Him as much as in them lies. The imperfections into which they see themselves fall they bear with humility, meekness of spirit and a loving fear of God, hoping in Him. But souls who in the beginning journey with this kind of perfection are, as I understand, and as has been said, a minority, and very few are those who we can be glad do not fall into the opposite errors. For this reason, as we shall afterwards say, God leads into the dark night those whom He desires to purify from all these imperfections so that He may bring them farther onward.
Source: Dark Night of the Soul (CCEL)