NET
13 When they were sick, I wore sackcloth, and refrained from eating food. (If I am lying, may my prayers go unanswered.)
Darby
13 But as for me, when they were sick, my clothing was sackcloth; I chastened my soul with fasting, and my prayer returned into mine own bosom:
KJV
13 But as for me, when they were sick, my clothing [was] sackcloth: I humbled my soul with fasting; and my prayer returned into mine own bosom.