BE PERSISTENT AND WORK HARD: Success is a marathon, not a sprint. Never give up.

坚持和努力：成功是一场马拉松，而不是冲刺。永不言弃。

youdao

I had to be really persistent and it was very hard work.

我必须非常坚持，这是非常艰难的工作。

youdao

If you want to succeed, you have to work hard and be persistent.

如果你想要成功，你必须努力工作，并持之以恒。

youdao

The most important message, I guess I would tell you, though, is what I tell my daughters, which is that America remains a country where if you work hard and you don't give up and you are persistent, you can succeed.

WHITEHOUSE: The White House