Well done is better than well said.
If you're going through hell, keep going.
Do not weep do not wax indignant. Understand.
If you think you can do it, you can.
Expect problems and eat them for breakfast.
After a storm comes a calm.
Know or listen to those who know.
Begin to be now what you will be hereafter.
Without hard work, nothing grows but weeds.
Never complain and never explain.
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.