Psalms 49:3

49:3 I will declare a wise saying;

I will share my profound thoughts.

Job 33:3

33:3 My words come from the uprightness of my heart,

and my lips will utter knowledge sincerely.

Job 34:4

34:4 Let us evaluate for ourselves what is right;

let us come to know among ourselves what is good.

Proverbs 8:6-9

8:6 Listen, for I will speak excellent things,

and my lips will utter what is right.

8:7 For my mouth speaks truth,

and my lips hate wickedness.

8:8 All the words of my mouth are righteous;

there is nothing in them twisted or crooked.

8:9 All of them are clear to the discerning

and upright to those who find knowledge.