Sirach 18:21

21 Humble thyself before thou be sick, and in the time of sins shew repentance.

Sirach 18:21 In-Context

19 Learn before thou speak, and use physick or ever thou be sick.
20 Before judgment examine thyself, and in the day of visitation thou shalt find mercy.
21 Humble thyself before thou be sick, and in the time of sins shew repentance.
22 Let nothing hinder thee to pay thy vow in due time, and defer not until death to be justified.
23 Before thou prayest, prepare thyself; and be not as one that tempteth the Lord.

The Brenton translation of the Septuagint is in the public domain.