Machines have altered our way of life, but not our instincts. Consequently, there is maladjustment.

The wise use of leisure, it must be conceded, is a product of civilization and education.

Even in the most purely logical realms, it is insight that first arrives at what is new.

I believe myself that romantic love is the source of the most intense delights that life has to offer. In the relation of a man and woman who love each other with passion and imagination and tenderness, there is something of inestimable value, to be ignorant of which is a great misfortune to any human being.

The degree of one's emotions varies inversely with one's knowledge of the facts - the less you know the hotter you get.

The Axiom of Choice is necessary to select a set from an infinite number of socks, but not an infinite number of shoes.

The Ten Commandments should be headed like an examination paper: No more than six to be attempted.