"I have no sympathy for those who seek to destroy the white race."

"We must keep America strong, but we must not let that strength be used to fight other people's wars."

"We must turn to new fields of exploration, to the development of aviation, to the unfamiliar paths of space."

"I have always been fascinated by the mysteries of the universe. There is so much that we do not know."

"What kind of man would live where there is no danger? I don't believe in taking foolish chances. But nothing can be accomplished by not taking a chance at all."