"Success comes from knowing what you don't know more than from knowing what you do know."

"Knowing how to deal well with not knowing is far more important than knowing."

"I was with book, as a woman is with child"

"A young man who wishes to remain a sound atheist cannot be too careful of his reading."

"You can make anything by writing."

"You can never get a cup of tea large enough or a book long enough to suit me."