The only way to understand life is to live it.
There are dark shadows on the earth, but its lights are stronger in the contrast.
有功于天地称为功，有关于世间名教称为名，有学问为富，有廉耻为贵，此即所谓功名富贵。无所求称为道，无欲念称为德，没有世俗的恶习称为文，处事有原则称为章，此即所谓的道德文章。
The human mind is so complex and things are so tangled up with each other that, to explain a blade of grass, one would have to make a diagram of the universe.