You got will-power, I'll say that for you.

I never knew boy or man that could be stubborner--never one in my life! Now, then, you've showed you could learn to run that machine best of any man in the shop, in no time at all.

That looks to me like you could learn to do other things.

I don't deny but what it's an encouragin' sign.

I don't deny that, at all.