Excerpt from The Art of Worldly Wisdom by Baltasar Gracián.

cclxvii Silken Words, sugared Manners.

Arrows pierce the body, insult the soul. Sweet pastry perfumes the breath. It is a great art in life to know how to sell wind. Most things are paid for in words, and by them you can remove impossibilities. Thus we deal in air, and a royal breath can produce courage and power. Always have your mouth full of sugar to sweeten your words, so that even your ill-wishers enjoy them. To please one must be peaceful.