“I refrained from writing another one, thinking to myself: Never mind, ...” — Hermann Oberth Quote

I refrained from writing another one, thinking to myself: Never mind, I will prove that I am able to become a greater scientist than some of you, even without the title of doctor.

Our educational system is like an automobile which has strong rear lights, brightly illuminating the past. But looking forward things are barely discernible.

The rockets... can be built so powerfully that they could be capable of carrying a man aloft.

If there is a small rocket on top of a big one, and if the big one is jettisoned and the small one is ignited, then their speeds are added.

If you're someone who is living with joint pain, it's important to go see a doctor and talk about how you can start living a pain free life.

In America, people come up and to me, and I keep thinking they're going to say, 'Oh, I loved you on 'ER.'' Now it's, 'Oh, I love you on 'Doctor Who.''

My mother took great relish in introducing me as 'This is my son - he's a doctor but not the kind that helps people.'

What's quote-unquote a 'good' lawyer, doctor, or whatever the profession is. And if you're a male who grew up professionally in a male-dominated profession, then your image of what a good lawyer is a male image.