If you want a love message to be heard, it has got to be sent out. To keep a lamp burning, we have to keep putting oil in it.

I'm not as famous as Stephen Hawking, but certainly in the U.S., I have a very high profile for a scientist. It is an awesome responsibility, one that I don't shoulder lightly.

The point - the power to hurt - of all figures lies in the truthfulness of their application.

If you are of the opinion that the contemplation of suicide is sufficient evidence of a poetic nature, do not forget that actions speak louder than words.

If one could only teach the English how to talk, and the Irish how to listen, society here would be quite civilized.