"The radiation left over from the Big Bang is the same as that in your microwave oven but very much less powerful. It would heat your pizza only to minus 271.3*C - not much good for defrosting the pizza, let alone cooking it."

"The harmony of the universe dictates that a single moment of clarity can change a lifetime."

"Life would be tragic if it weren't funny."

"Scientists have become the bearers of the torch of discovery in our quest for knowledge."

"I had spent some time in the outback, but to meet Aboriginals and work with them was wonderful. It gave me a great appreciation of how tough life is and about the indomitable spirit that the Aboriginal people have always possessed."

"An idea isn't worth much until a man is found who has the energy and ability to make it work."

"I really love being alive. I love my family and my work. I love the opportunity I have to do things. That's what happiness is."

"Put off thy cares with thy clothes; so shall thy rest strengthen thy labor, and so thy labor sweeten thy rest."