Imagination is more important than knowledge. For knowledge is limited, whereas imagination embraces the entire world, stimulating progress, giving birth to evolution.
理论物理学的美在于它能够揭示支配宇宙的隐藏对称性和模式。
The known is finite, the unknown infinite; intellectually we stand on an islet in the midst of an illimitable ocean of inexplicability.
粮食富裕，人们就知道礼节；衣食丰足，人们就懂得荣辱。