‘Mathematically, the Fibonacci sequence would be represented as Fn = Fn-1 + Fn-2.
’Tis a numerical sequence whereby the ratio of two consecutive numbers converges on the golden ratio. You can see fibonacci patterns in nature, in the arrangement of petals in flowers or branches on trees. The sum of—’
‘Very good indeed,’ remarked Sister Augustine. ‘Ye may sit now, Miss Straughan.’
I glanced sideways. Fat Kathleen looked at me with a very perplexed expression.
Now who was the cripple, I thought, as I sat.
Sister Augustine wrote the sequence on the board and explained how it occurred in the petal configuration I had mentioned.
‘The sequence underlines,’ said she, ‘the order that exists in this world, which as ye all should know is one of St Thomas’ five demonstrations of the existence of God. I beg yer pardon, Lucy Straughan?’ the nun jutted her angular chin in my direction.
I had not expected Sister Augustine to hear what I had muttered. Again I was made to stand.
‘Well?’ inquired Sister Augustine.
‘But what of the disorder?’ I blurted.
‘Disorder was it, ye said?’ she echoed.
‘Aye, I did. ’Tis all very well to talk of order showing God’s existence. But what of the disorder? How does that show God exists now, can you tell me that?’