Being a great horseman does not rely on physical strength but more on the mind and sensibility.

I'm not sure I have the physical strength to undertake a novel.

Physical strength in a woman - that's what I am.

Strength does not come from physical capacity. It comes from an indomitable will.

Physical strength can never permanently withstand the impact of spiritual force.

The spirit of man is more important than mere physical strength, and the spiritual fiber of a nation than its wealth.