你的句子不完整，应为：

And, however much it was instilled into the Princess that in our times young people ought to arrange their lives for themselves, she was unable to believe it.

【翻译】而且，在我们这个时代年轻人应该自己安排自己的生活，把这新思想灌输给公主无论多少，她都无法相信。

【分析】

主句：she was unable to believe it

让步状语从句：however much it was instilled into the Princess that in our times young people ought to arrange their lives for themselves

1. 在让步从句中，it是形式主语，指代that in our times young people ought to arrange their lives for themselves 从句的内容。因为从句的内容太长，所以先翻译出来。

2. however much：引导让步从句，意思：无论/不管多少

3. be instilled to：灌输给