I can, therefore I am.
Who seeks shall find.
If you think you can do it, you can.
Problems are not stop signs, they are guidelines.
Things do not happen. Things are made to happen.
By failing to prepare, you are preparing to fail.
The secret of getting ahead is getting started.
Either you run the day or the day runs you.
Begin to be now what you will be hereafter.
Leap, and the net will appear.
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.