“There are a great many doors open; but a door must be of a man's size or it is not meant for him.”

“Books are keys that open many doors.”

“I wonder at a man who loses hope of salvation when the door of repentance is open for him.”

“When one door is closed, many more is open.”

“Holy writing must strive (by all means) for perfection and true holiness, that a door may be opened to him in heaven.”

“He opened the door that so many of us went through, the door of possibility, by saying anything an artist makes is art.”

“Elizabeth's voice had a door in it. When you opened that door you found another door, and that door opened yet another door. All the doors were nice and led out of her.”

““When I get this door open, you’re dead, Jean!“
“When you get that door open? I look forward to many long years of life, then.“”

“A man will be imprisoned in a room with a door that's unlocked and opens inwards; as long as it does not occur to him to pull rather than push it.”

“Simple as it seems, it was a great discovery that the key of knowledge could turn both ways, that it could open, as well as lock, the door of power to the many.”