Real knowledge is to know the extent of one's ignorance.

Heaven is author of the virtue that is in me

To be in one's own heart in kindly sympathy with all things; this is the nature of righteousness

Knowing what's correct and not doing it, it's the worst cowardice.

The general of a large army may be defeated, but you cannot defeat the determined mind of a peasant.

The superior person gathers his weapons together in order to provide against the unforeseen.

In language clarity is everything.