I've got personal views on the '60s. You can't have freedom without paying the price for it.

No one who has experienced the intense involvement of computer modeling would deny that the temptation exists to use any data input that will enable one to continue playing what is perhaps the ultimate game of solitaire.

The entire range of living matter on Earth from whales to viruses and from oaks to algae could be regarded as constituting a single living entity capable of maintaining the Earth's atmosphere to suit its overall needs and endowed with faculties and powers far beyond those of its constituent parts.

Florida will be gone altogether, the whole damned place, in not too long.

One pound of uranium is worth about 3 million pounds worth of coal or oil.

One thing that being a scientist has taught me is that you can never be certain about anything. You never know the truth. You can only approach it and hope to get a bit nearer to it each time. You iterate towards the truth. You don't know it.

There is little evidence that our individual intelligence has improved through recorded history.