For the first time I realised the beauty of research on differential equations - something that my former boss, Professor Courant, had not been able to instil in me. Secondly I learned a lot of matrix theory.
... Para sa unang panahon realised ko ang kagandahan ng pananaliksik sa kaugalian equation - isang bagay na aking former boss, Professor Courant, ay hindi pa makakapag-itanim sa akin. Pangalawa natutunan ko ng isang pulutong ng matris theory.