We perceive the world in terms of its significance for action.
"We are all in the gutter, but some of us are looking at the stars."
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。
在原子和电子的世界中,经典物理学的定律不再有效,我们必须转向量子力学以获得正确的描述。