Men lived there, they believed, only by the strength of their own hands.

What he had to do was wholly by his own will and strength.

He refused by strength of will alone to let them lose hope.

He could always tell how bad it had been by the strength of the desire to talk that came after.

They were, however, limited by the strength of a man's arm.

Tonight, he thought, surprised by the strength of his feelings.

The problem will always be there, but he can overcome it by strength and work.

She was going to have to pull herself out by sheer strength.

Pinned in place by his strength this suddenly seemed all too possible.

Next time it must be by strength or not at all.