What we won when all of our people united ... must not be lost in suspicion and distrust and selfishness and politics. ... Accordingly, I shall not seek, and I will not accept, the nomination of my party for another term as president.
Yes, we have to divide up our time like that, between our politics and our equations. But to me our equations are far more important, for politics are only a matter of present concern. A mathematical equation stands forever.