宣传之于民主，正如棍棒之于极权国家。
Propaganda is to a democracy what the bludgeon is to a totalitarian state.
奋斗永不停息。
Innovation is not just about creating something new; it's about improving what already exists.
一件事情都不能做到有始有终，就不要去操持其他的事情；一物也不明白，就不要追求博闻广记。
野外要求尊重。如果你给予它，它也会回报你。