Without the exercise of reason in reading the Bible, it will be as a sealed book.
They are not like any known writing in the world and may remain a sealed book forever.
Hitherto the world outside had been a sealed book to the boys.
In here I have a sealed book in which I keep the words my friends have spoken.
Private life which used to be a sealed book has become an open newspaper.
For three days afterward, the subject was as a sealed book between them.
The post-office department should no longer be as a sealed book to the nation.
His work, a sealed book to his women before, lay open to her.
The modern methods of psychology were then, to such women as Rose, a sealed book, but love and intuition taught her to apply them.
To thousands in Persia the literature and history of their own land is a sealed book.