Who said “The art of progress is to preserve order amid change, and to preserve change amid order.”?

“All progress means war with society.”

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

“Progress everywhere today does seem to come so very heavily disguised as Chaos.”

“You can't say that civilization don't advance, however, for in every war they kill you in a new way.”

“Today, the notion of progress in a single line without goal or limit seems perhaps the most parochial notion of a very parochial century.”

“Without adventure civilization is in full decay.”

“We think in generalities, but we live in detail.”

“The deepest definition of youth is life as yet untouched by tragedy.”

“Life is an offensive, directed against the repetitious mechanism of the Universe.”

“Civilization advances by extending the number of important operations which we can perform without thinking.”

“Familiar things happen, and mankind does not bother about them. It requires a very unusual mind to undertake the analysis of the obvious.”