investment of energy which shall be innocent in itself and yet give occasion for preserving and developing the old vigor, once applied to more questionable purposes, may be safely left to impetuous and inventive youth. Given courage and simplicity and the qualities which make good comrades, I hope that they will always be able to find modes of test- ing and strengthening themselves. So long as such qualities exist, and that will be as long as society is in a moderate healthy state, their possessors will recognize in Nansen a congenial spirit and be stimulated and encouraged by the record of his adventur