You are renewed by the Word of God and the Holy Spirit.

“For the word of God is living and powerful, and sharper than any two-edged sword” (Heb 4:12)
“And do not be conformed to this world, but be transformed by the renewing of your mind” (Rom 12:2)
“but according to His mercy He saved us, through the washing of regeneration and renewing of the Holy Spirit” (Tit 3:5)
“Create in me a clean heart, O God, and renew a steadfast spirit within me.” (Ps 51:10)
“But those who wait on the LORD shall renew their strength; they shall mount up with wings like eagles, they shall run and not be weary, they shall walk and not faint.” (Isa 40:31)
“Even though our outward man is perishing, yet the inward man is being renewed day by day.” (2Cor 4:16)
“be renewed in the spirit of your mind, and that you put on the new man which was created according to God, in true righteousness and holiness.” (Eph 4:23,24)
“have put on the new man who is renewed in knowledge according to the image of Him who created him” (Col 3:10)
Reading: Heb 3-5; Matt 22