It's a great mistake, I think, to put children off with falsehoods and nonsense, when their growing powers of observation and discrimination excite in them a desire to know about things.
I like nonsense, it wakes up the brain cells. Fantasy is a necessary ingredient in living, it's a way of looking at life through the wrong end of a telescope. Which is what I do, and that enables you to laugh at life's realities.
On the other hand, all kinds of adventurous schemes to add security checkpoints to subway and bus systems have been circulating since the London attacks. This is nonsense. No one can guaranty 100 percent security.