Fear of things invisible is the natural seed of that which every one in himself calleth religion.

Light is the most important material in architecture.

【讲解】：有了过错，别人都能看到；改了，人们都会敬仰他。

凡是做学问，必须从各个方面都理解透彻，还要更进一步深入理解内在的道理。