The wise does at once what the fool does at last.
I can, therefore I am.
If you've got a talent, protect it.
If you're going through hell, keep going.
Know or listen to those who know.
Things do not happen. Things are made to happen.
Be gentle to all and stern with yourself.
Only the educated are free.
Leap, and the net will appear.
Always desire to learn something useful.
That attitude does not exist so much today, but in those days there was a very sharp distinction between basic physics and applied physics. Columbia did not deal with applied physics.