I only ask to be free. The butterflies are free.

No religion has mandated killing others as a requirement for its sustenance or promotion.

Knowledge is a body of information.

If you're walking down the right path and you're willing to keep walking, eventually you'll make progress.

If you want to achieve excellence, you can get there today. As of this second, quit doing less-than-excellent work. 

I would wear the blue overalls of the fieldworker and often wore round, rimless glasses known as Mazzawati teaglasses. I had a car, and I wore a chauffeur's cap with my overalls. The pose of chauffeur was convenient because I could travel under the pretext of driving my master's car.

Let's have faith that right makes might; and in that faith let us, to the end, dare to do our duty as we understand it.

Science is global. Einstein's equation, E=mc2, has to reach everywhere. Science is a beautiful gift to humanity, we should not distort it. Science does not differentiate between multiple races.

If the Almighty were to rebuild the world and asked me for advice, I would have English Channels round every country. And the atmosphere would be such that anything which attempted to fly would be set on fire.

Peace comes from within. Do not seek it without.

Courage is what it takes to stand up and speak; courage is also what it takes to sit down and listen. 

We win justice quickest by rendering justice to the other party.