Who said “The human race has improved everything, but the human race.”?

“Every new generation...is a fresh invasion of savages.”

“All civilization has from time to time become a thin crust over a volcano of revolution.”

“The three great elements of modern civilization, Gun powder, Printing, and the Protestant religion.”

“One might enumerate the items of high civilization, as it exists in other countries, which are absent from the texture of American life, until it should become a wonder to know what was left.”

“If Germany, thanks to Hitler and his successors, were to enslave the European nations and destroy most of the treasures of their past, future historians would certainly pronounce that she had civilized Europe.”

“A hungry man is not a free man.”

“Laws are never as effective as habits.”

“We have confused the free with the free and easy.”

“Nothing so dates a man as to decry the younger generation.”

“A free society is a society where it is safe to be unpopular.”

“All progress has resulted from people who took unpopular positions.”