The most hateful thing for a man is to have knowledge of everything but power over nothing.

"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."

A society grows great when old men plant trees whose shade they know they shall never sit in.

这句话表达了茅以升对桥梁建设事业的执着追求和不懈奋斗的精神。