He had an enormous capacity to give of himself.

他能量惊人。

What account does he give of himself?

他对自己做了什么说明？

So he's someone who's never known his own freedom, but he still gives of himself, he still aspires to do the right thing.

所以他是一个从来不知道自己的自由的人，但他仍然奉献自己，他仍然渴望做正确的事。