The best ideas often come from the most unexpected places.
最可持续的包装是那些能够被无限重复使用和回收的包装。
没有听到不如亲耳听到,亲耳听到不如亲眼见到,亲眼见到不如清楚知道,清楚知道不如亲自实践。
The true teacher defends his pupils against his own personal influence. He inspires self-trust. He guides their eyes from himself to the spirit that quickens him. He will have no disciple.
释义:天之险在于高不可升,地之险在于山川丘陵。王公设险以保卫国家,险的功用非常大。