“The most difficult years of marriage are those following the wedding.”

False facts are highly injurious to the progress of science.

Having nothing, nothing can he lose.

We sometimes get all the information, but we refuse to get the message.

The purpose of life is to be happy. This is what all human beings have in common—the wish to lead a happy life.

A great obstacle to happiness is to expect too much happiness

The only way to escape the corruptible effect of praise is to go on working.