Life has no meaning unless we give it meaning.
Labor is the source of all wealth and all culture.
The history of mathematics is a history of human thought and progress.
好與偉大之間的區(qū)別在于對(duì)細(xì)節(jié)的關(guān)注。
內(nèi)心守靜而不生差錯(cuò)，不讓外物擾亂五官，不讓五官擾亂內(nèi)心，這就叫做心中有所得。