Sirach 1:30

30 Don't exalt yourself, or else you might fall and bring dishonor to yourself. The Lord will reveal your secrets, and he will overthrow you in the middle of the congregation, because you didn't come with proper regard for the Lord and your heart was full of insincerity.

Sirach 1:30 In-Context

28 Don't disobey the fear of the Lord, and don't approach him with a divided heart.

29 Don't give people reason to call you a hypocrite, and pay attention to what you say.

30 Don't exalt yourself, or else you might fall and bring dishonor to yourself. The Lord will reveal your secrets, and he will overthrow you in the middle of the congregation, because you didn't come with proper regard for the Lord and your heart was full of insincerity.