Well, you can't know it without something having been sneezed.

We'll be Friends Forever, won't we, Pooh?' asked Piglet.
Even longer,' Pooh answered.”
Winnie-the-Pooh

When you are a Bear of Very Little Brain, and you Think of Things, you find sometimes that a Thing which seemed very Thingish inside you is quite different when it gets out into the open and has other people looking at it.

Supposing a tree fell down, Pooh, when we were underneath it?'
'Supposing it didn't,' said Pooh after careful thought.
Piglet was comforted by this.

Oh, help!” said Pooh. “I’d better go back.”
“Oh, bother!” said Pooh. “I shall have to go on.”
“I can’t do either!” said Pooh. “Oh, help and bother!

How would it be,” said Pooh slowly, “if, as soon as we’re out of sight of this Pit, we try to find it again?”
“What’s the good of that?” said Rabbit.
“Well,” said Pooh, “we keep looking for Home and not finding it, so I thought that if we looked for this Pit, we’d be sure not to find it, which would be a Good Thing, because then we might find something that we weren’t looking for, which might be just what we were looking for, really.”
“I don’t see much sense in that,” said Rabbit.
“No,” said Pooh humbly, “there isn’t. But there was going to be when I began it. It’s just that something happened to it on the way.