Ben Sira 18:23

23 Before thou prayest, prepare thyself; and be not as one that tempteth the Lord.

Ben Sira 18:23 In-Context

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.
24 Think upon the wrath that shall be at the end, and the time of vengeance, when he shall turn away his face.
25 When thou hast enough, remember the time of hunger: and when thou art rich, think upon poverty and need.
The King James Version is in the public domain.