Scientist Quotes and aphorisms about space exploration Neil deGrasse Tyson James Lovelock Neil deGrasse Tyson Neil deGrasse Tyson ,, The partisanship surrounding space exploration and the retrenching of U.S. space policy are part of... Heidi Hammel ,, We need to be very thoughtful about how we propose to spend the money that NASA does have for space... Martin Rees ,, To most people in the U.K., indeed throughout Western Europe, space exploration is primarily percei... Allan Savory ,, Hard systems are everything we're using right now - computers, phones, planes, the clothes you're w... Bruce Pittman David Grinspoon Henry Spencer