They followed me with a perseverance which demonstrates one of the finest qualities of savage life.
"My Attainment of the Pole"
Frederick A. Cook
No man who has known Dr. Cook, been with him, worked with him, and learned by personal experience of his courage, energy and perseverance, would ask for evidence beyond his word.
"My Attainment of the Pole"
Frederick A. Cook
But in spite of my perseverance through all these years, not the slightest ray of hope was ever granted to me.
"The Dead Lake and Other Tales"
Paul Heyse