在量子力学中,我们必须放弃粒子在测量前具有确定性质的观点。
The theory of economic development is the study of how the economic system generates the forces which incessantly transform it.
那些疯狂到认为自己能改变世界的人,往往真的改变了世界。
Man is neither wholly good nor wholly evil, but a mixture of both.
生活中最大的荣耀不在于从不跌倒,而在于每次跌倒后都能站起来。