It might be fascinating and irresistible.

Even when a man does not really admire, his eloquence makes him dangerous.

If, when he truly admires, he were also eloquent, he would be irresistible.
There is no victory like that.

I should envy Alexander nothing and Napoleon nothing if I thought I could really conquer one woman's heart.
My very consciousness of the worth of the prize paralyzes my efforts.

It is musty, but it is true, that fools rush in where angels fear to tread." He sat silent, gazing abstractedly at the two lovely feet of Miss Grace Plumer, with an air that implied how far his mind had wandered in their conversation from any merely personal considerations.