原文英文：The most merciful thing in the world， I think， is the inability of the human mind to correlate all its contents. We live on a placid island of ignorance in the midst of black seas of infinity， and it was not meant that we should voyage far.

The truth of history is often found in its silences.

真正的科学进步不是通过简单的事实积累实现的，而是通过理论和模型的不断精炼。