The difference between perseverance and obstinacy is that one comes from a strong will, and the other from a strong won't.

The difference between perseverance and obstinacy is that one comes from a strong will, and the other from a strong won't.

毅力和固执的区别在于一个来自坚强的意志，另一个来自坚强的意志。

-- Henry Ward Beecher 亨利·沃德·比彻