Old age is not interesting until one gets there.

The most damaging phrase in the language is: 'We've always done it this way.'

"In God we trust. All others must bring data."

试管婴儿的研究是出于帮助不孕夫妇的愿望。

持续改进不仅仅是一个口号，它应该是我们的日常实践。