The matrix mechanics was a radical departure from classical physics, but it was necessary to explain the atomic world.
矩阵力学是对经典物理学的彻底背离，但它是解释原子世界所必需的。
In the midst of difficult times， it is our response that defines us， not the circumstances.
世界是一本书，不旅行的人只读了一页。
"We are all in the gutter, but some of us are looking at the stars."
镜子不仅仅是一个表面，它是一个维度。