"Caleb" - entirely fictional, as far as I know.

Caleb barely says a word
In school or out of class
At lunch he never plays with friends
Just wait for time to pass.

I watch him sitting on his own
Without the need to speak.
How could a boy like me survive
Alone, week after week?

I sometimes wonder how his life
Is so different from mine.
Did he just guess, or know somehow
That someone was behind?

What would it be to watch birds fly
But hear no rush of wings?
How irritating was his life
When mouth to music sings?

What was it like to feel the wind
But not hear rustling leaves?
Or what about the soundless tears
He sees when someone grieves?

I'd thought that we were much the same
That boy Caleb and I,
But I have both my eyes and ears
He only has his eyes.