I mean, the general rule is if you're not prepared to make a mistake, you're not going to make much progress.

I mean, the general rule is if you're not prepared to make a mistake, you're not going to make much progress.

我的意思是，一般的规则是，如果你不准备犯错误，你就不会有太大的进步。

-- Maurice Wilkins 威尔金斯