Is it, in Heav'n, a crime to love too well?
To bear too tender or too firm a heart,
To act a lover's or a Roman's part?
Is there no bright reversion in the sky
For those who greatly think, or bravely die?
Index-learning turns no student pale,
Yet holds the eel of Science by the tail.
Index-learning is a term used to mock pretenders who acquire superficial knowledge merely by consulting indexes.
Persons of genius, and those who are most capable of art, are always most fond of nature: as such are chiefly sensible, that all art consists in the imitation and study of nature.