Psalms 140:3-5

³Set a watch, O Lord, before my mouth: and a door round about my lips.

⁴Incline not my heart to evil words; to make excuses in sins. With men that work iniquity: and I will not communicate with the choicest of them.

⁵The just shall correct me in mercy, and shall reprove me: but let not the oil of the sinner fatten my head. For my prayer also shall still be against the things with which they are well pleased: