The wise does at once what the fool does at last.
Never complain and never explain.
What you do today can improve all your tomorrows.
To be a good loser is to learn how to win.
Know or listen to those who know.
Be kind whenever possible. It is always possible.
The dog that trots about finds a bone.
Be thine own palace, or the world's thy jail.
Who seeks shall find.
The secret of getting ahead is getting started.
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.