Will Christian commit murder and suicide

The Psalm 12:6 'The words and promises of the Lord are pure words,Like silver refined in an earthen furnace,purified seven times'.And he love you so much that he gave his Son to died in your place,to buy you back from hell. So with this in mind .All you have to do in time of life stroms , just keep his commandment and pray with reading Bible everyday go to church of your choosing and fellowship.