Revelation 3:7
Book: Revelation 3
And to the angel of the church in Philadelphia write: These things saith he that is holy, he that is true, he that hath the key of David, he that openeth and none shall shut, and that shutteth and none openeth:
Hebrews 4:16
Book: Hebrews 4
Let us therefore draw near with boldness unto the throne of grace, that we may receive mercy, and may find grace to help [us] in time of need.