创新不是对每件事都说“是”，而是对所有非关键特性说“不”。

我们所做的可能很微小，但却产生巨大影响。

An invention can be so valuable as to be worthless to the inventor.

"The beauty of science lies in its ability to reveal the unknown."

The test of our progress is not whether we add more to the abundance of those who have much; it is whether we provide enough for those who have too little.

Payphone, wishing you would call me.

文化相似性和差异的解释必须在生活的物质条件中寻找。