The most direct, and in a sense the most important, problem which the conscious solution of a scientific problem sets us is the accurate exposition of the results.
科学问题有意识的解决给我们提出的最直接且在某种意义上最重要的问题,是对结果的准确阐述。
幸福不是相信我们不需要改变;而是意识到我们可以改变。
幸福不是现成的东西,它来自你自己的行动。
An invention can be so valuable as to be worthless to the inventor.