“Sometimes thinking yourselves so wicked may be humility and virtue and at other times a very great temptation. I have had experience of this, so I know it is true. Humility, however deep it be, neither disquiets nor troubles nor disturbs the soul; it is accompanied by peace, joy and tranquility.”
Source: Saint Teresa of Avila, The Way of Perfection, Dover Thrift Editions, 2012.