“Is – is he a man?” asked Lucy.
“Aslan a man!” said Mr Beaver sternly. “Certainly not. ... Aslan is a lion –
the Lion, the great Lion.”
“Then he isn't safe?” said Lucy.
“Safe?” said Mr. Beaver. “Who said anything about safe? 'Course he isn't safe.
But he's good...”1

The Lion, The Witch and The Wardrobe