Optimism is true moral courage.

Loneliness is the penalty of leadership, but the man who has to make the decisions is assisted greatly if he feels that there is no uncertainty in the minds of those who follow him, and that his orders will be carried out confidently and in the expectation of success.

I called to the other men that the sky was clearing, and then a moment later I realized that what I had seen was not a rift in the clouds but the white crest of an enormous wave.

I seemed to vow to myself that some day I would go to the region of ice and snow and go on and on till I came to one of the poles of the earth, the end of the axis upon which this great round ball turns.

Teachers should be very careful not to spoil their pupils' taste for poetry for all time by making it a task and an imposition.

Men Wanted for Dangerous Expedition: Low Wages for Long Hours of Arduous Labour under Brutal Conditions; Months of Continual Darkness and Extreme Cold; Great Risk to Life and Limb from Disease, Accidents and Other Hazards; Small Chance of Fame in Case of Success.

By endurance we conquer.