Good News Translation
Humble yourself before you are punished with sickness. When you have sinned, show repentance.

New Revised Standard Version
Before falling ill, humble yourself; and when you have sinned, repent.

Contemporary English Version
Be humble and show that you have turned from sin, and you won't be punished with illness.

New American Bible
Before you fall ill, humble yourself; and when you have sinned, show repentance. Do not delay forsaking your sins; do not neglect to do so until you are in distress.

Douay-Rheims Bible
Humble thyself before thou art sick, and in the time of sickness shew thy conversation.

Humble thyself before thou art sick, and in the time of sickness shew thy conversation.

Sirach 18:19
Before judgment prepare thee justice, and learn before thou speak.

Sirach 18:20
Before sickness take a medicine, and before judgment examine thyself, and thou shalt find mercy in the sight of God.

Sirach 18:22
Let nothing hinder thee from praying always, and be not afraid to be justified even to death: for the reward of God continueth for ever.

Sirach 18:23
Before prayer prepare thy soul: and be not as a man that tempteth God.