“Once the windows of the mind are opened, they can never be closed. Let the fresh breeze of thoughts come in now.”
“He had the effect on her of a window being thrown open and fresh air and sunlight being let in”
“The problem with any philosophical consideration is that once you open a door in your mind, you can never close it. Once you learn something, you can never convince your mind that you didn't learn it. If you learn the world is round, you can never fit in with a world that thinks it's flat.”
“Close a door, and you'd still feel a breeze through the window.”
“Here you discover that so long as books are kept open, then minds can never be closed.”
“That which we are, we shall teach, not voluntarily, but involuntarily. Thoughts come into our minds by avenues which we never left open, and thoughts go out of our minds through avenues which we never voluntarily opened.”