Begin to be now what you will be hereafter.
Leap, and the net will appear.
The most effective way to do it, is to do it.
Quality is not an act, it is a habit.
You never know what motivates you.
Always desire to learn something useful.
If you think you can do it, you can.
Things do not happen. Things are made to happen.
To know oneself, one should assert oneself.
By failing to prepare, you are preparing to fail.
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.