The main ingredient of the first quantum revolution, wave-particle duality, has led to inventions such as the transistor and the laser that are at the root of the information society.

The development of quantum mechanics early in the twentieth century obliged physicists to change radically the concepts they used to describe the world.

The things you do for yourself are gone when you are gone, but the things you do for others remain as your legacy.

Christ manifests his divine leadership in your sincere followership. Christ's followers become true leaders because Christ is the model of true leadership.

I am building a fire, and everyday I train, I add more fuel. At just the right moment, I light the match.

Leaders grasp nettles.

We hope to grow old and we dread old age; that is to say, we love life and we flee from death.

In Genoa, the word, libertas can be read on the front of prisons and on the fetters of galley-slaves. The application of this motto is fine and just.

I tell myself I bear witness. The real answer is that it's obviously my programming. And I lack the constitution for suicide.

I'm proud of the fact that Downton Abbey was born in a recession, at a time when ITV had dropped a lot of drama programmes. And I know that because I was out of work at the time!

See you soon (but not soon enough).

I've always had a desire to play a cop or FBI agent.