When the mind that is subtle goes out through the brain and the sense-organs, the gross names and forms appear; when it stays in the heart, the names and forms disappear.
                    在数学中,提出问题的艺术必须比解决问题更有价值。
                    信任是任何成功企业的基础,尤其是在影响人们日常生活的行业中。
                    The price of freedom is eternal vigilance.
                    