Who said “Everyone has inside of him a piece of good news. The good news is that you don't know…”?

“Man is not made for defeat.”

“One's prime is elusive. You little girls, when you grow up, must be on the alert to recognize your prime at whatever time of your life it may occur. You must then live it to the full.”

“Our being is subject to all the chances of life. There are so many things we are capable of, that we could be or do. The potentialities are so great that we never, any of us, are more than one-fourth fulfilled.”

“What you can become you are already.”

“Man is as full of potential as he is of importance.”

“Whoever is happy will make others happy too.”

“Laziness may appear attractive but work gives satisfaction.”

“The final forming of a person's character lies in their own hands.”

“I keep my ideals, because in spite of everything I still believe that people are really good at heart.”

“And finally I twist my heart round again, so that the bad is on the outside and the good is on the inside, and keep on trying to find a way of becoming what I would so like to be, and could be, if there weren't any other people living in the world.”

“Mrs. Van Daan's grizzling is absolutely unbearable; now she can't any longer drive us crazy over the invasion, she nags us the whole day long about the bad weather. It really would be nice to dump her in a bucket of cold water and put her up in the loft.”