Getting a Ph.D. in two years left me woefully ignorant of almost everything in mathematics not connected with my thesis work. I had missed fertile contact with Birkhoff, Kellogg, and Morse, all three at Harvard and leaders in their fields.
Ako had hindi mataba makipag-ugnayan sa Birkhoff, Kellogg, at Morse, lahat ng tatlong sa Harvard at lider sa kanilang larangan.