Be not so set upon poetry, as ...

Be not so set upon poetry, as to be always poring on the passionate and measured pages. Let not what should be sauce, rather than food for you, engross all your application. Beware of a boundless and sickly appetite for the reading of poems which the nation now swarms withal; and let not the Circaen cup intoxicate you. But especially preserve the chastity of your soul from the dangers you may incur, by a conversation with muses no better than harlots.
 Cotton Mather

Quotes from the same author

Ignorance is the Mother not of Devotion, but of Heresy.
 Cotton Mather
Religion brought forth Prosperity, and the daughter destroyed the mother.
 Cotton Mather
Instead of exhorting you to augment your charity, I will rather utter an exhortation, or at least a supplication, that you may not abuse your charity by misapplying it.
 Cotton Mather
Ye monsters of the bubbling deep, Your Maker's praises spout; Up from the sands ye codlings peep, And wag your tails about.
 Cotton Mather
What Must I Do to Be Saved? It is impossible to ask a more weighty Question! It is deplorable that we hear it asked with no more Frequency, with nor more Agony.
 Cotton Mather