“As long as scepticism is based on a sound understanding of science it is invaluable, for that is how science progresses. But poor criticism can lead those who are unfamiliar with the science involv...”

“This is rather as if you imagine a puddle waking up one morning and thinking, 'This is an interesting world I find myself in--an interesting hole I find myself in--fits me rather neatly, doesn't it...”

“We all deserve a love as deep as the oceans. Let us keep our oceans clean and enjoyable for us all.”

“Science fiction is when we see into the future of our planet, fantasy is when we believe humanity will survive.”

“I do not know what I may appear to the world, but to myself I seem to have been only like a boy playing on the sea-shore, and diverting myself in now and then finding a smoother pebble or a prettie...”

“To know the history of science is to recognize the mortality of any claim to universal truth. ”

“The scientist only imposes two things, namely truth and sincerity, imposes them upon himself and upon other scientists.”