Shall his perfections, like the sunbeams, dare
The purblind world; in heaven those glories are.
Campion, Elegie upon the Untimely Death of Prince Henry.
Let his Grace go forward
And dare us with his cap like larks.
Shakespeare, Henry VIII, III. ii. 282.
This refers to the custom of 'daring' or dazzling larks with a mirror.
Page 116. Elegie XVIII.
Page 117, ll. 31-2. Men to such Gods, &c. Donne has in view here the different kinds of sacrifice described by Porphyry:
How to devote things living in due form