“Our immediate interests are after all of but small moment. It is what we do for the future, what we add to the sum of man's knowledge, that counts most. As someone has said, 'The individual withers...”

“Some men have thousands of reasons why they cannot do something, when all they need is one reason why they can.”

“The valuable attributes of research men are conscious ignorance and active curiosity.”

“You can't buy the love you want, you can't sell your love. Love is given by those who deserves it.”

“Facts are like cows. If you look them in the face long enough, they generally run away.”

“The truth is more important than the facts.”

“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.”

“Knowledge, like air, is vital to life. Like air, no one should be denied it.”

“Science is organized knowledge. Wisdom is organized life.”

“I definitely learned a lesson this time. I know that I can be broken. I am not as tough as I thought. I see it now. At this point, it's the only thing good that came out of all of this. I know myse...”