If you feel a desire to fast, be careful not to negate that desire. 1 Indeed, you know that it is preferable to serve God in joy, without self-mortifications, because the latter cause feelings of depression. 2 Nonetheless, it may be assumed that you know of yourself that you need to fast because you did not yet correct your soul properly. 3

[In this context bear in mind that] there are many things about which some need be very scrupulous and accept upon themselves various stringencies, because of the state of their soul, while others need not be that scrupulous. 4