Give praise to others while they are here; they won't need it in the hereafter.

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

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

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

Solitude is an excellent laboratory in which to observe the extent to which manners and habits are conditioned by others.

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.

There are deep wells of strength that are never used.