satyagraha is not a creed for the weak or the cowardly.

You must not lose faith in humanity. Humanity is an ocean; if a few drops of the ocean are dirty, the ocean does not become dirty.

These technologies can make life easier, can let us touch people we might not otherwise. You may have a child with a birth defect and be able to get in touch with other parents and support groups, get medical information, the latest experimental drugs. These things can profoundly influence life. I'm not downplaying that.

What it lies in our power to do, it lies in our power not to do.

I always say that people should not rush to change religion. There is real value in finding the spiritual resources you need in your home religion.

The pursuit of truth and beauty is a sphere of activity in which we are permitted to remain children all our lives.

If Hitler invaded hell I would make at least a favourable reference to the devil in the House of Commons. 

If I were not a physicist, I would probably be a musician. I often think in music. I live my daydreams in music. I see my life in terms of music.

I was born into the world as the king of truth for the salvation of the world.

If there were no bad people, there would be no good lawyers.

There are no secrets to success. It is the result of preparation, hard work, and learning from failure. 

Although personally I am quite content with existing explosives, I feel we must not stand in the path of improvement.