I've made it a policy to move ...

I've made it a policy to move every five years, either physically or in my research.
 Abraham Robinson

Quotes from the same author

As far as I know, only a small minority of mathematicians, even of those with Platonist views, accept the idea that there may be mathematical facts which are true but unknowable.
 Abraham Robinson
The Committee supports the idea that there should be, within the University of California, a campus which puts particular emphasis on the education of undergraduates within the framework of a College system.
 Abraham Robinson