Yet he was always striking at her.
'And of course,' he said to Gerald, 'horses HAVEN'T got a complete will, like human beings.

A horse has no ONE will.

Every horse, strictly, has two wills.

With one will, it wants to put itself in the human power completely--and with the other, it wants to be free, wild.
The two wills sometimes lock--you know that, if ever you've felt a horse bolt, while you've been driving it.' 'I have felt a horse bolt while I was driving it,' said Gerald, 'but it didn't make me know it had two wills.

I only knew it was frightened.' Hermione had ceased to listen.