How to use "admire" in a sentence

Most of them had served their country openly, in a supremely visible fashion, where everyone could see and admire their selfless public-spiritedness

I admire Marian greatly; her intellect, graceful style and courage

And even though they are opposed, and even though I will be victorious, I want Miss Halcombe to know how much I admire her diary and that nothing in it contributed to my victory and her failure.

I am here to admire your beauty."