Who said “You can't sweep other people off their feet, if you can't be swept off your own.”?

“All noble enthusiasms pass through a feverish stage, and grow wiser and more serene.”

“Enthusiasm moves the world.”

“Nothing is so contagious as enthusiasm.”

“The real secret to success is enthusiasm.”

“Charisma is the transference of enthusiasm.”

“Information's pretty thin stuff unless mixed with experience.”

“Creatures whose mainspring is curiosity enjoy the accumulating of facts far more than the pausing at times to reflect on those facts.”

“The world of books is the most remarkable creation of man nothing else that he builds ever lasts monuments fall; nations perish; civilization grow old and die out; new races build others. But in the world of books are volumes that have seen this happen again and again and yet live on. Still young, still as fresh as the day they were written, still telling men's hearts, of the hearts of men centuries dead.”