Few men during their lifetime come anywhere near exhausting the resources dwelling within them. There are deep wells of strength that are never used.

The human race cannot go forward without liberty. If this be correct, then all people everywhere should strive for liberty. If they achieve liberty, they will get a chance to pursue happiness and perhaps will be able to develop toward the ultimate goal of creation.

A man doesn't begin to attain wisdom until he recognizes he is no longer indispensable.

Give wind and tide a chance to change.

Half of the confusion in the world comes from not knowing how little we need.

In Winter, [the Antarctic] is perhaps the dreariest of places. Our base, Little America, lay in a bowl of ice, near the edge of the Ross Ice Barrier. The temperature fell as low as 72 degrees below zero. One could actually hear one's breath freeze.

We men who serve science serve only a reflection in a mirror.