No matter how good you get you can always get better, and that's the exciting part.
我总是告诉我的孩子们,如果你躺下,人们会从你身上跨过去。但如果你继续挣扎,如果你继续前进,总会有人帮助你。
The discovery of the genetic code has provided a foundation for understanding heredity and the molecular mechanisms of disease.