The world is always in movement.
最好的老师是那种建议而不是教条化,并激发听众自我教学愿望的人。
The rocks we extract today build the infrastructure of tomorrow.
世界是一本书,不旅行的人只读了一页。
"Time is a river that carries us away, but it also leaves behind traces of our existence, like footprints in the sand."