Psalm 26:6 I will wash my hands in innocence; so I will go about Your altar, O Lord
When we come to worship God we should be doing so knowing that we have set aside our wrong-doings.
God has taught us from the beginning that we need to clean our hearts before coming to offer ourselves or our sacrifices to Him.
Whilst we cannot hope to cleanse ourselves from evil, we can ask Christ to cleanse us by admitting to our guilt and asking forgiveness.
Christ is willing to forgive us as long as we are willing to admit our faults and bring them to Him.
Then we are ready to worship!