Solutions nearly always come from the direction you least expect, which means there's no point trying to look in that direction because it won't be coming from there.

...they discovered only a small asteroid inhabited by a solitary old man who claimed repeatedly that nothing was true, though he was later discovered to be lying.

The teacher usually learns more than the pupils. Isn't that true? "It would be hard to learn much less than my pupils," came a low growl from somewhere on the table, "without undergoing a pre-frontal lobotomy."

For as long as he could remember, he’d suffered from a vague nagging feeling of being not all there.

There is a theory which states that if ever anyone discovers exactly what the Universe is for and why it is here, it will instantly disappear and be replaced by something even more bizarre and inexplicable.There is another theory which states that this has already happened.

The kakapo is a bird out of time. If you look one in its large, round, greeny-brown face, it has a look of serenely innocent incomprehension that makes you want to hug it and tell it that everything will be all right, thought you know that it probably will not be.

The little waiter's eyebrows wandered about his forehead in confusion.