For there are windings, and tos and fros, in His ways, which blind bodies like us cannot see.
Oscillations, again, are surgings to and fro: the crystal tends to let the "tos" go through and to stop the "fros."
"Dar's gwine ter be er killin' fros' fo' mawnin'," said Moses, his teeth chattering from the draught let in by the opening door.
Reckin I'll have ter wait till after fros', an' fotch her a real good one.'
Pendulums do not reach the repose of the mean without many tos and fros.