A hundredfold the half would be the unit multiplied by fifty.

Not to mention that there can be no better half--" "Yes, there can, papa, ever so many; and you may see one in mamma every day.

Now you put one eye to this glass, and the half is better than the whole.

With both, you see nothing; with one, you see better, fifty times better, than with both before.

Don't talk of arithmetic after that.