You will edify others and speak with grace when you are pure in heart.

“He who loves purity [tahor] of heart and has grace [chen] on his lips” (Prov 22:11)

“Let no corrupt word proceed out of your mouth, but what is good for necessary edification, that it may impart grace to the hearers.” (Eph 4:29)

“Let your speech always be with grace, seasoned with salt” (Col 4:6)

“Blessed are the pure in heart, for they shall see God.” (Matt 5:8)

“be an example to the believers in word, in conduct, in love, in spirit, in faith, in purity.” (1Tim 4:12)

“You shall make a mercy seat of pure gold; two and a half cubits shall be its length and a cubit and a half its width.” (Ex 25:17)

“You shall also make a plate of pure gold and engrave on it, like the engraving of a signet: HOLINESS TO THE LORD.” (Ex 28:36)

“He also made the lampstand of pure gold; of hammered work he made the lampstand.” (Ex 37:17)

“Then a man who is clean shall gather up the ashes of the heifer, and store them outside the camp in a clean place; and they shall be kept for the congregation of the children of Israel for the water of purification; it is for purifying from sin.” (Num 19:9)

“Who can bring a clean thing out of an unclean? No one!” (Job 14:4)

“The words of the LORD are pure words” (Ps 12:6)

“The fear of the LORD is clean, enduring forever” (Ps 19:9)

“Then I will sprinkle clean water on you, and you shall be clean” (Ezek 36:25)

“And of His fullness we have all received, and grace for grace.” (Jn 1:16)

“For the law was given through Moses, but grace and truth came through Jesus Christ.” (Jn 1:17)

“When he came and had seen the grace of God, he was glad, and encouraged them all that with purpose of heart they should continue with the Lord.” (Acts 11:23)

“so that I may finish my race with joy, and the ministry which I received from the Lord Jesus, to testify to the gospel of the grace of God.” (Acts 20:24)

“being justified freely by His grace through the redemption that is in Christ Jesus” (Rom 3:24)

“even so grace might reign through righteousness to eternal life through Jesus Christ our Lord.” (Rom 5:21)

“But by the grace of God I am what I am, and His grace toward me was not in vain; but I labored more abundantly than they all, yet not I, but the grace of God which was with me.” (1Cor 15:10)

“For all things are for your sakes, that grace, having spread through the many, may cause thanksgiving to abound to the glory of God.” (2Cor 4:15)

“But to each one of us grace was given according to the measure of Christ’s gift.” (Eph 4:7)

“And the grace of our Lord was exceedingly abundant, with faith and love which are in Christ Jesus.” (1Tim 1:14)

“For the grace of God that brings salvation has appeared to all men, teaching us that, denying ungodliness and worldly lusts, we should live soberly, righteously, and godly in the present age” (Tit 2:11,12)

“that having been justified by His grace we should become heirs according to the hope of eternal life.” (Tit 3:7)

Reading: Prov 22-24; Rom 5