Never mind what others do; do better than yourself, beat your own record from day to day, and you are a success.

Never mind what others do; do better than yourself, beat your own record from day to day, and you are a success.

别管别人怎么做;做得比自己更好，每天都打破自己的记录，你就是一个成功的人。

-- William J. H. Boetcker 威廉·J·H·伯特克