“If my life be spared, nothing shall stop me from visiting every nation of Indians on the Continent of North America.”— George Catlin
“When ships to sail the void between the stars have been invented, there will also be men who are not afraid of the void.”— Johannes Kepler
“I'm one of the most durable and fervent advocates of space exploration, but my take is that we could do it robotically at far less cost and far greater quantity and quality of results.”— James Van Allen
“I was to advance to the country of the Iroquois... there to show them the extent of our power.”— Samuel de Champlain
“I'd do it again. I was exploring a system. I was a neophyte. I was learning a system. The phone company is a system. A computer is a system, do you understand? If I do what I do, it is only to explore a system.”— John Thomas Draper