Mariana

“Keep a guard over your eyes and ears as the inlets of your heart, and over your lips as the outlet, lest they betray you in a moment of unwariness. Receive, coldly and dispassionately, every attention, till you have ascertained and duly considered the worth of the aspirant; and let your affections be consequent upon approbation alone. First study; then approve; then love. Let your eyes be blind to all external attractions, your ears deaf to all the fascinations of flattery and light discourse. - These are nothing - and worse than nothing - snares and wiles of the tempter, to lure the thoughtless to their own destruction. Principle is the first thing, after all; and next to that, good sense, respectability, and moderate wealth. If you should marry the handsomest, and most accomplished and superficially agreeable man in the world, you little know the misery that would overwhelm you if, after all, you should find him to be a worthless reprobate, or even an impracticable fool.”
― Anne Brontë, The Tenant of Wildfell Hall