Neither refuse to give help when it is needed,... nor refuse to accept it when it is offered.

We learn more by looking for the answer to a question and not finding it than we do from learning the answer itself.

I can't stand people who say 'I told you so.' That's worse than somebody coming up and eating your dinner before you have a chance to sit down.

Shakespeare, Dickens, Mark Twain, and so many others were my dearest friends and greatest teachers.

Using the device of an imaginary world allows me in some strange way to go to the central issues - it's one of many ways to express feelings about real people, about real human relationships.

At the end of knowledge, wisdom begins, and at the end of wisdom, there is not grief...but hope

Most of my books have been written in the form of fantasy.