“The art of printing, with its necessary tools — paper, ink, and type — has been of supreme importance in the advance of civilization. It has preserved for future generations the culture, literature, and history of former times; it has given opportunities in education for the common...

“If a scholar only stays in one place, he will be blocked by one small river and become narrow-minded and ignorant. He must travel everywhere to see human affairs, the social customs of the north and the south, mountains and rivers, and to broaden his...

Everything corresponds. Sweet is easy: happiness. Tanginess is trickier: people going the wrong way and calling it right; the tendency not to complain while harboring envious and covetous feelings. Sourness is things you like and don’t like — woven together. Smokiness is slow vision, seeing...