没有所谓的"应用科学"这一特殊类别；只有科学及其应用，它们之间的关系就像果实与结出果实的树之间的关系一样。
"Books are the bridges that connect us to the future."
金钱是动力。
The happiest people are those who have found purpose while still appreciating life's simple joys.
The world owes all its onward impulses to men ill at ease. The happy man inevitably confines himself within ancient limits.
"Man, unlike any other thing organic or inorganic in the universe, grows beyond his work, walks up the stairs of his concepts, emerges ahead of his accomplishments."