“We crave for new sensations but soon become indifferent to them. The wonders of yesterday are today common occurrences”

“Invention is the most important product of man's creative brain. The ultimate purpose is the complete mastery of mind over the material world, the harnessing of human nature to human needs.”

“Is there magic in this world? Certainly! But it is not the kind of magic written about in fantasy stories. It is the kind of magic that comes from ideas and the hard work it often takes to make the...”

“We become what we behold. We shape our tools, and thereafter our tools shape us.”

“A culture of unaccountability is a culture without incentive, and a culture without incentive is the death of critical and creative thinking.”

“Dagny," he said, looking at the city as it moved past their taxi window, "think of the first man who thought of making a steel girder. He knew what he saw, what he thought and what he wanted. He di...”

“Our civilization is not Christian. It does not come from the skies. It is not a result of "inspiration." It is the child of invention, of discovery, of applied knowledge -- that is to say, of scien...”

“The day science begins to study non-physical phenomena, it will make more progress in one decade than in all the previous centuries of its existence.”