Just as I started to think that I was never going to get well, the illness began to recede.

就在我开始认为我将永远不会好起来的时候，我的病开始好转。

《柯林斯英汉双解大词典》

And that day may never come, so you as well get started now.

那一天可能永远不会出现，那么你还不如马上开始。

youdao