There are two contrary impulses which govern this man's brain-the one sane, and the other eccentric. They alternate at regular intervals. Franz Schubert
In the summer of 1930 my academic future, however, was not uppermost in my mind. I had been stricken by an acute attack of a disease which at regular intervals afflicts all mathematicians and, for that matter, all scientists: I became obsessed by a problem. Mark Kac
One of the regular intervals of meditation in my life, believe it or not, is in my car. Ed Begley, Jr.
I have never been bored an hour in my life. I get up every morning wondering what new strange glamorous thing is going to happen and it happens at fairly regular intervals. William Allen White