The dog that trots about finds a bone.
I can, therefore I am.
It's always too early to quit.
Begin to be now what you will be hereafter.
You never know what motivates you.
Either you run the day or the day runs you.
Be kind whenever possible. It is always possible.
The wise does at once what the fool does at last.
Always desire to learn something useful.
Expect problems and eat them for breakfast.
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.