"I think that the best work comes out of the necessity to do it, not the desire to do it."

从老师那里学到一切是学生的责任，充分激发学生的全部潜力是老师的责任。

天地和宇宙虽然广阔，但在更大的尺度上也不过是一小部分。

The metropolis exacts from man as a discriminating creature a different amount of consciousness than does rural life.