But I needn't go on.
You must understand--" "I don't understand.

The only thing I see is that you're not logical.
It's obvious now that you must, if possible, find the ore; and yet you object to letting me help.

If you give up the search and return to Toronto, it may be a very long time before you can make another trip." "No, I suppose I'm not logical," Agatha admitted, with a mocking smile.
"Logic is perhaps a useful guide for a _man_, but it doesn't always take him far.

However, I oughtn't to have expected you to understand, and you're getting impatient--" "Let's try to be practical," Thirlwell rejoined.

"If we turn back at once, some of the truck we haven't used might be sold, and we would save the wages I promised the boys, but all we have spent would be thrown away.