Wise Words (VIII): Carry the Letter in Your Hand

«Sec. 3. How to end a Letter
[...]

When you take your letters to the Post, carry them in your hand. If you put them in your pocket you will take a long country-walk (I speak from experience), passing the Post-Office twice, going and returning, and, when you get home, will find them still in your pocket.»

Lewis Carrol, Eight or Nine Wise Words about Letter-Writing