For by grace are ye saved through faith; and that not of yourselves: it is the gift of God: Not of works, lest any man should boast. Ephesians 2:8-9, KJV.
We are saved through the grace of God and only the grace of God. There is no other way for us to get to heaven. If we think the good we do will earn us a hope in heaven, then we shall be deeply dismayed when Jesus says, "Depart from me, I never knew you." Let us not take pride in ourselves in thinking that our works will get us into heaven. Let us rather praise the Lord for His marvelous grace!